drm: drop drm_[cm]alloc* helpers

Now that drm_[cm]alloc* helpers are simple one line wrappers around
kvmalloc_array and drm_free_large is just kvfree alias we can drop
them and replace by their native forms.

This shouldn't introduce any functional change.

Changes since v1
- fix typo in drivers/gpu//drm/etnaviv/etnaviv_gem.c - noticed by 0day
  build robot
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Michal Hocko <mhocko@suse.com>drm: drop drm_[cm]alloc* helpers
[danvet: Fixup vgem which grew another user very recently.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Christian König <christian.koenig@amd.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170517122312.GK18247@dhcp22.suse.cz

drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c

@@ -96,7 +96,7 @@ static int amdgpu_bo_list_set(struct amdgpu_device *adev,
 	int r;
 	unsigned long total_size = 0;
 
-	array = drm_malloc_ab(num_entries, sizeof(struct amdgpu_bo_list_entry));
+	array = kvmalloc_array(num_entries, sizeof(struct amdgpu_bo_list_entry), GFP_KERNEL);
 	if (!array)
 		return -ENOMEM;
 	memset(array, 0, num_entries * sizeof(struct amdgpu_bo_list_entry));
@@ -148,7 +148,7 @@ static int amdgpu_bo_list_set(struct amdgpu_device *adev,
 	for (i = 0; i < list->num_entries; ++i)
 		amdgpu_bo_unref(&list->array[i].robj);
 
-	drm_free_large(list->array);
+	kvfree(list->array);
 
 	list->gds_obj = gds_obj;
 	list->gws_obj = gws_obj;
@@ -163,7 +163,7 @@ static int amdgpu_bo_list_set(struct amdgpu_device *adev,
 error_free:
 	while (i--)
 		amdgpu_bo_unref(&array[i].robj);
-	drm_free_large(array);
+	kvfree(array);
 	return r;
 }
 
@@ -224,7 +224,7 @@ void amdgpu_bo_list_free(struct amdgpu_bo_list *list)
 		amdgpu_bo_unref(&list->array[i].robj);
 
 	mutex_destroy(&list->lock);
-	drm_free_large(list->array);
+	kvfree(list->array);
 	kfree(list);
 }
 
@@ -244,8 +244,8 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
 
 	int r;
 
-	info = drm_malloc_ab(args->in.bo_number,
-			     sizeof(struct drm_amdgpu_bo_list_entry));
+	info = kvmalloc_array(args->in.bo_number,
+			     sizeof(struct drm_amdgpu_bo_list_entry), GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
@@ -311,11 +311,11 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
 
 	memset(args, 0, sizeof(*args));
 	args->out.list_handle = handle;
-	drm_free_large(info);
+	kvfree(info);
 
 	return 0;
 
 error_free:
-	drm_free_large(info);
+	kvfree(info);
 	return r;
 }

drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

@@ -194,7 +194,7 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data)
 		size = p->chunks[i].length_dw;
 		cdata = (void __user *)(uintptr_t)user_chunk.chunk_data;
 
-		p->chunks[i].kdata = drm_malloc_ab(size, sizeof(uint32_t));
+		p->chunks[i].kdata = kvmalloc_array(size, sizeof(uint32_t), GFP_KERNEL);
 		if (p->chunks[i].kdata == NULL) {
 			ret = -ENOMEM;
 			i--;
@@ -247,7 +247,7 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data)
 	i = p->nchunks - 1;
 free_partial_kdata:
 	for (; i >= 0; i--)
-		drm_free_large(p->chunks[i].kdata);
+		kvfree(p->chunks[i].kdata);
 	kfree(p->chunks);
 	p->chunks = NULL;
 	p->nchunks = 0;
@@ -505,7 +505,7 @@ static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
 			return r;
 
 		if (binding_userptr) {
-			drm_free_large(lobj->user_pages);
+			kvfree(lobj->user_pages);
 			lobj->user_pages = NULL;
 		}
 	}
@@ -571,7 +571,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 				release_pages(e->user_pages,
 					      e->robj->tbo.ttm->num_pages,
 					      false);
-				drm_free_large(e->user_pages);
+				kvfree(e->user_pages);
 				e->user_pages = NULL;
 			}
 
@@ -601,8 +601,9 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 		list_for_each_entry(e, &need_pages, tv.head) {
 			struct ttm_tt *ttm = e->robj->tbo.ttm;
 
-			e->user_pages = drm_calloc_large(ttm->num_pages,
-							 sizeof(struct page*));
+			e->user_pages = kvmalloc_array(ttm->num_pages,
+							 sizeof(struct page*),
+							 GFP_KERNEL | __GFP_ZERO);
 			if (!e->user_pages) {
 				r = -ENOMEM;
 				DRM_ERROR("calloc failure in %s\n", __func__);
@@ -612,7 +613,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 			r = amdgpu_ttm_tt_get_user_pages(ttm, e->user_pages);
 			if (r) {
 				DRM_ERROR("amdgpu_ttm_tt_get_user_pages failed.\n");
-				drm_free_large(e->user_pages);
+				kvfree(e->user_pages);
 				e->user_pages = NULL;
 				goto error_free_pages;
 			}
@@ -708,7 +709,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 			release_pages(e->user_pages,
 				      e->robj->tbo.ttm->num_pages,
 				      false);
-			drm_free_large(e->user_pages);
+			kvfree(e->user_pages);
 		}
 	}
 
@@ -761,7 +762,7 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error, bo
 		amdgpu_bo_list_put(parser->bo_list);
 
 	for (i = 0; i < parser->nchunks; i++)
-		drm_free_large(parser->chunks[i].kdata);
+		kvfree(parser->chunks[i].kdata);
 	kfree(parser->chunks);
 	if (parser->job)
 		amdgpu_job_free(parser->job);

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

@@ -279,8 +279,9 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
 	if (!parent->entries) {
 		unsigned num_entries = amdgpu_vm_num_entries(adev, level);
 
-		parent->entries = drm_calloc_large(num_entries,
-						   sizeof(struct amdgpu_vm_pt));
+		parent->entries = kvmalloc_array(num_entries,
+						   sizeof(struct amdgpu_vm_pt),
+						   GFP_KERNEL | __GFP_ZERO);
 		if (!parent->entries)
 			return -ENOMEM;
 		memset(parent->entries, 0 , sizeof(struct amdgpu_vm_pt));
@@ -2198,7 +2199,7 @@ static void amdgpu_vm_free_levels(struct amdgpu_vm_pt *level)
 		for (i = 0; i <= level->last_entry_used; i++)
 			amdgpu_vm_free_levels(&level->entries[i]);
 
-	drm_free_large(level->entries);
+	kvfree(level->entries);
 }
 
 /**

drivers/gpu/drm/drm_gem.c

@@ -521,7 +521,7 @@ struct page **drm_gem_get_pages(struct drm_gem_object *obj)
 
 	npages = obj->size >> PAGE_SHIFT;
 
-	pages = drm_malloc_ab(npages, sizeof(struct page *));
+	pages = kvmalloc_array(npages, sizeof(struct page *), GFP_KERNEL);
 	if (pages == NULL)
 		return ERR_PTR(-ENOMEM);
 
@@ -546,7 +546,7 @@ struct page **drm_gem_get_pages(struct drm_gem_object *obj)
 	while (i--)
 		put_page(pages[i]);
 
-	drm_free_large(pages);
+	kvfree(pages);
 	return ERR_CAST(p);
 }
 EXPORT_SYMBOL(drm_gem_get_pages);
@@ -582,7 +582,7 @@ void drm_gem_put_pages(struct drm_gem_object *obj, struct page **pages,
 		put_page(pages[i]);
 	}
 
-	drm_free_large(pages);
+	kvfree(pages);
 }
 EXPORT_SYMBOL(drm_gem_put_pages);
 

drivers/gpu/drm/etnaviv/etnaviv_gem.c

@@ -748,7 +748,7 @@ static struct page **etnaviv_gem_userptr_do_get_pages(
 	uintptr_t ptr;
 	unsigned int flags = 0;
 
-	pvec = drm_malloc_ab(npages, sizeof(struct page *));
+	pvec = kvmalloc_array(npages, sizeof(struct page *), GFP_KERNEL);
 	if (!pvec)
 		return ERR_PTR(-ENOMEM);
 
@@ -772,7 +772,7 @@ static struct page **etnaviv_gem_userptr_do_get_pages(
 
 	if (ret < 0) {
 		release_pages(pvec, pinned, 0);
-		drm_free_large(pvec);
+		kvfree(pvec);
 		return ERR_PTR(ret);
 	}
 
@@ -823,7 +823,7 @@ static int etnaviv_gem_userptr_get_pages(struct etnaviv_gem_object *etnaviv_obj)
 	mm = get_task_mm(etnaviv_obj->userptr.task);
 	pinned = 0;
 	if (mm == current->mm) {
-		pvec = drm_malloc_ab(npages, sizeof(struct page *));
+		pvec = kvmalloc_array(npages, sizeof(struct page *), GFP_KERNEL);
 		if (!pvec) {
 			mmput(mm);
 			return -ENOMEM;
@@ -832,7 +832,7 @@ static int etnaviv_gem_userptr_get_pages(struct etnaviv_gem_object *etnaviv_obj)
 		pinned = __get_user_pages_fast(etnaviv_obj->userptr.ptr, npages,
 					       !etnaviv_obj->userptr.ro, pvec);
 		if (pinned < 0) {
-			drm_free_large(pvec);
+			kvfree(pvec);
 			mmput(mm);
 			return pinned;
 		}
@@ -845,7 +845,7 @@ static int etnaviv_gem_userptr_get_pages(struct etnaviv_gem_object *etnaviv_obj)
 	}
 
 	release_pages(pvec, pinned, 0);
-	drm_free_large(pvec);
+	kvfree(pvec);
 
 	work = kmalloc(sizeof(*work), GFP_KERNEL);
 	if (!work) {
@@ -879,7 +879,7 @@ static void etnaviv_gem_userptr_release(struct etnaviv_gem_object *etnaviv_obj)
 		int npages = etnaviv_obj->base.size >> PAGE_SHIFT;
 
 		release_pages(etnaviv_obj->pages, npages, 0);
-		drm_free_large(etnaviv_obj->pages);
+		kvfree(etnaviv_obj->pages);
 	}
 	put_task_struct(etnaviv_obj->userptr.task);
 }

drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c

@@ -87,7 +87,7 @@ static void etnaviv_gem_prime_release(struct etnaviv_gem_object *etnaviv_obj)
 	 * ours, just free the array we allocated:
 	 */
 	if (etnaviv_obj->pages)
-		drm_free_large(etnaviv_obj->pages);
+		kvfree(etnaviv_obj->pages);
 
 	drm_prime_gem_destroy(&etnaviv_obj->base, etnaviv_obj->sgt);
 }
@@ -128,7 +128,7 @@ struct drm_gem_object *etnaviv_gem_prime_import_sg_table(struct drm_device *dev,
 	npages = size / PAGE_SIZE;
 
 	etnaviv_obj->sgt = sgt;
-	etnaviv_obj->pages = drm_malloc_ab(npages, sizeof(struct page *));
+	etnaviv_obj->pages = kvmalloc_array(npages, sizeof(struct page *), GFP_KERNEL);
 	if (!etnaviv_obj->pages) {
 		ret = -ENOMEM;
 		goto fail;

drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c

@@ -343,9 +343,9 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
 	 * Copy the command submission and bo array to kernel space in
 	 * one go, and do this outside of any locks.
 	 */
-	bos = drm_malloc_ab(args->nr_bos, sizeof(*bos));
-	relocs = drm_malloc_ab(args->nr_relocs, sizeof(*relocs));
-	stream = drm_malloc_ab(1, args->stream_size);
+	bos = kvmalloc_array(args->nr_bos, sizeof(*bos), GFP_KERNEL);
+	relocs = kvmalloc_array(args->nr_relocs, sizeof(*relocs), GFP_KERNEL);
+	stream = kvmalloc_array(1, args->stream_size, GFP_KERNEL);
 	cmdbuf = etnaviv_cmdbuf_new(gpu->cmdbuf_suballoc,
 				    ALIGN(args->stream_size, 8) + 8,
 				    args->nr_bos);
@@ -487,11 +487,11 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
 	if (cmdbuf)
 		etnaviv_cmdbuf_free(cmdbuf);
 	if (stream)
-		drm_free_large(stream);
+		kvfree(stream);
 	if (bos)
-		drm_free_large(bos);
+		kvfree(bos);
 	if (relocs)
-		drm_free_large(relocs);
+		kvfree(relocs);
 
 	return ret;
 }

drivers/gpu/drm/exynos/exynos_drm_gem.c

@@ -59,7 +59,8 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem)
 
 	nr_pages = exynos_gem->size >> PAGE_SHIFT;
 
-	exynos_gem->pages = drm_calloc_large(nr_pages, sizeof(struct page *));
+	exynos_gem->pages = kvmalloc_array(nr_pages, sizeof(struct page *),
+			GFP_KERNEL | __GFP_ZERO);
 	if (!exynos_gem->pages) {
 		DRM_ERROR("failed to allocate pages.\n");
 		return -ENOMEM;
@@ -101,7 +102,7 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem)
 	dma_free_attrs(to_dma_dev(dev), exynos_gem->size, exynos_gem->cookie,
 		       exynos_gem->dma_addr, exynos_gem->dma_attrs);
 err_free:
-	drm_free_large(exynos_gem->pages);
+	kvfree(exynos_gem->pages);
 
 	return ret;
 }
@@ -122,7 +123,7 @@ static void exynos_drm_free_buf(struct exynos_drm_gem *exynos_gem)
 			(dma_addr_t)exynos_gem->dma_addr,
 			exynos_gem->dma_attrs);
 
-	drm_free_large(exynos_gem->pages);
+	kvfree(exynos_gem->pages);
 }
 
 static int exynos_drm_gem_handle_create(struct drm_gem_object *obj,
@@ -559,7 +560,7 @@ exynos_drm_gem_prime_import_sg_table(struct drm_device *dev,
 	exynos_gem->dma_addr = sg_dma_address(sgt->sgl);
 
 	npages = exynos_gem->size >> PAGE_SHIFT;
-	exynos_gem->pages = drm_malloc_ab(npages, sizeof(struct page *));
+	exynos_gem->pages = kvmalloc_array(npages, sizeof(struct page *), GFP_KERNEL);
 	if (!exynos_gem->pages) {
 		ret = -ENOMEM;
 		goto err;
@@ -588,7 +589,7 @@ exynos_drm_gem_prime_import_sg_table(struct drm_device *dev,
 	return &exynos_gem->base;
 
 err_free_large:
-	drm_free_large(exynos_gem->pages);
+	kvfree(exynos_gem->pages);
 err:
 	drm_gem_object_release(&exynos_gem->base);
 	kfree(exynos_gem);

drivers/gpu/drm/i915/i915_debugfs.c

@@ -229,7 +229,7 @@ static int i915_gem_stolen_list_info(struct seq_file *m, void *data)
 	int ret;
 
 	total = READ_ONCE(dev_priv->mm.object_count);
-	objects = drm_malloc_ab(total, sizeof(*objects));
+	objects = kvmalloc_array(total, sizeof(*objects), GFP_KERNEL);
 	if (!objects)
 		return -ENOMEM;
 
@@ -274,7 +274,7 @@ static int i915_gem_stolen_list_info(struct seq_file *m, void *data)
 
 	mutex_unlock(&dev->struct_mutex);
 out:
-	drm_free_large(objects);
+	kvfree(objects);
 	return ret;
 }
 

drivers/gpu/drm/i915/i915_gem.c

@@ -2504,7 +2504,7 @@ static void *i915_gem_object_map(const struct drm_i915_gem_object *obj,
 
 	if (n_pages > ARRAY_SIZE(stack_pages)) {
 		/* Too big for stack -- allocate temporary array instead */
-		pages = drm_malloc_gfp(n_pages, sizeof(*pages), GFP_TEMPORARY);
+		pages = kvmalloc_array(n_pages, sizeof(*pages), GFP_TEMPORARY);
 		if (!pages)
 			return NULL;
 	}
@@ -2526,7 +2526,7 @@ static void *i915_gem_object_map(const struct drm_i915_gem_object *obj,
 	addr = vmap(pages, n_pages, 0, pgprot);
 
 	if (pages != stack_pages)
-		drm_free_large(pages);
+		kvfree(pages);
 
 	return addr;
 }

drivers/gpu/drm/i915/i915_gem_execbuffer.c

@@ -1019,11 +1019,11 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
 	for (i = 0; i < count; i++)
 		total += exec[i].relocation_count;
 
-	reloc_offset = drm_malloc_ab(count, sizeof(*reloc_offset));
-	reloc = drm_malloc_ab(total, sizeof(*reloc));
+	reloc_offset = kvmalloc_array(count, sizeof(*reloc_offset), GFP_KERNEL);
+	reloc = kvmalloc_array(total, sizeof(*reloc), GFP_KERNEL);
 	if (reloc == NULL || reloc_offset == NULL) {
-		drm_free_large(reloc);
-		drm_free_large(reloc_offset);
+		kvfree(reloc);
+		kvfree(reloc_offset);
 		mutex_lock(&dev->struct_mutex);
 		return -ENOMEM;
 	}
@@ -1099,8 +1099,8 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
 	 */
 
 err:
-	drm_free_large(reloc);
-	drm_free_large(reloc_offset);
+	kvfree(reloc);
+	kvfree(reloc_offset);
 	return ret;
 }
 
@@ -1859,13 +1859,13 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 	}
 
 	/* Copy in the exec list from userland */
-	exec_list = drm_malloc_ab(sizeof(*exec_list), args->buffer_count);
-	exec2_list = drm_malloc_ab(sizeof(*exec2_list), args->buffer_count);
+	exec_list = kvmalloc_array(sizeof(*exec_list), args->buffer_count, GFP_KERNEL);
+	exec2_list = kvmalloc_array(sizeof(*exec2_list), args->buffer_count, GFP_KERNEL);
 	if (exec_list == NULL || exec2_list == NULL) {
 		DRM_DEBUG("Failed to allocate exec list for %d buffers\n",
 			  args->buffer_count);
-		drm_free_large(exec_list);
-		drm_free_large(exec2_list);
+		kvfree(exec_list);
+		kvfree(exec2_list);
 		return -ENOMEM;
 	}
 	ret = copy_from_user(exec_list,
@@ -1874,8 +1874,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 	if (ret != 0) {
 		DRM_DEBUG("copy %d exec entries failed %d\n",
 			  args->buffer_count, ret);
-		drm_free_large(exec_list);
-		drm_free_large(exec2_list);
+		kvfree(exec_list);
+		kvfree(exec2_list);
 		return -EFAULT;
 	}
 
@@ -1924,8 +1924,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 		}
 	}
 
-	drm_free_large(exec_list);
-	drm_free_large(exec2_list);
+	kvfree(exec_list);
+	kvfree(exec2_list);
 	return ret;
 }
 
@@ -1943,7 +1943,7 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 
-	exec2_list = drm_malloc_gfp(args->buffer_count,
+	exec2_list = kvmalloc_array(args->buffer_count,
 				    sizeof(*exec2_list),
 				    GFP_TEMPORARY);
 	if (exec2_list == NULL) {
@@ -1957,7 +1957,7 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
 	if (ret != 0) {
 		DRM_DEBUG("copy %d exec entries failed %d\n",
 			  args->buffer_count, ret);
-		drm_free_large(exec2_list);
+		kvfree(exec2_list);
 		return -EFAULT;
 	}
 
@@ -1984,6 +1984,6 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
 		}
 	}
 
-	drm_free_large(exec2_list);
+	kvfree(exec2_list);
 	return ret;
 }

drivers/gpu/drm/i915/i915_gem_gtt.c

@@ -3102,7 +3102,7 @@ intel_rotate_pages(struct intel_rotation_info *rot_info,
 	int ret = -ENOMEM;
 
 	/* Allocate a temporary list of source pages for random access. */
-	page_addr_list = drm_malloc_gfp(n_pages,
+	page_addr_list = kvmalloc_array(n_pages,
 					sizeof(dma_addr_t),
 					GFP_TEMPORARY);
 	if (!page_addr_list)
@@ -3135,14 +3135,14 @@ intel_rotate_pages(struct intel_rotation_info *rot_info,
 	DRM_DEBUG_KMS("Created rotated page mapping for object size %zu (%ux%u tiles, %u pages)\n",
 		      obj->base.size, rot_info->plane[0].width, rot_info->plane[0].height, size);
 
-	drm_free_large(page_addr_list);
+	kvfree(page_addr_list);
 
 	return st;
 
 err_sg_alloc:
 	kfree(st);
 err_st_alloc:
-	drm_free_large(page_addr_list);
+	kvfree(page_addr_list);
 
 	DRM_DEBUG_KMS("Failed to create rotated mapping for object size %zu! (%ux%u tiles, %u pages)\n",
 		      obj->base.size, rot_info->plane[0].width, rot_info->plane[0].height, size);

drivers/gpu/drm/i915/i915_gem_userptr.c

@@ -507,7 +507,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work)
 	ret = -ENOMEM;
 	pinned = 0;
 
-	pvec = drm_malloc_gfp(npages, sizeof(struct page *), GFP_TEMPORARY);
+	pvec = kvmalloc_array(npages, sizeof(struct page *), GFP_TEMPORARY);
 	if (pvec != NULL) {
 		struct mm_struct *mm = obj->userptr.mm->mm;
 		unsigned int flags = 0;
@@ -555,7 +555,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work)
 	mutex_unlock(&obj->mm.lock);
 
 	release_pages(pvec, pinned, 0);
-	drm_free_large(pvec);
+	kvfree(pvec);
 
 	i915_gem_object_put(obj);
 	put_task_struct(work->task);
@@ -642,7 +642,7 @@ i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj)
 	pinned = 0;
 
 	if (mm == current->mm) {
-		pvec = drm_malloc_gfp(num_pages, sizeof(struct page *),
+		pvec = kvmalloc_array(num_pages, sizeof(struct page *),
 				      GFP_TEMPORARY |
 				      __GFP_NORETRY |
 				      __GFP_NOWARN);
@@ -669,7 +669,7 @@ i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj)
 
 	if (IS_ERR(pages))
 		release_pages(pvec, pinned, 0);
-	drm_free_large(pvec);
+	kvfree(pvec);
 
 	return pages;
 }

drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c

@@ -117,7 +117,7 @@ static int igt_random_insert_remove(void *arg)
 
 	mock_engine_reset(engine);
 
-	waiters = drm_malloc_gfp(count, sizeof(*waiters), GFP_TEMPORARY);
+	waiters = kvmalloc_array(count, sizeof(*waiters), GFP_TEMPORARY);
 	if (!waiters)
 		goto out_engines;
 
@@ -169,7 +169,7 @@ static int igt_random_insert_remove(void *arg)
 out_bitmap:
 	kfree(bitmap);
 out_waiters:
-	drm_free_large(waiters);
+	kvfree(waiters);
 out_engines:
 	mock_engine_flush(engine);
 	return err;
@@ -187,7 +187,7 @@ static int igt_insert_complete(void *arg)
 
 	mock_engine_reset(engine);
 
-	waiters = drm_malloc_gfp(count, sizeof(*waiters), GFP_TEMPORARY);
+	waiters = kvmalloc_array(count, sizeof(*waiters), GFP_TEMPORARY);
 	if (!waiters)
 		goto out_engines;
 
@@ -254,7 +254,7 @@ static int igt_insert_complete(void *arg)
 out_bitmap:
 	kfree(bitmap);
 out_waiters:
-	drm_free_large(waiters);
+	kvfree(waiters);
 out_engines:
 	mock_engine_flush(engine);
 	return err;
@@ -368,7 +368,7 @@ static int igt_wakeup(void *arg)
 
 	mock_engine_reset(engine);
 
-	waiters = drm_malloc_gfp(count, sizeof(*waiters), GFP_TEMPORARY);
+	waiters = kvmalloc_array(count, sizeof(*waiters), GFP_TEMPORARY);
 	if (!waiters)
 		goto out_engines;
 
@@ -454,7 +454,7 @@ static int igt_wakeup(void *arg)
 		put_task_struct(waiters[n].tsk);
 	}
 
-	drm_free_large(waiters);
+	kvfree(waiters);
 out_engines:
 	mock_engine_flush(engine);
 	return err;

drivers/gpu/drm/msm/msm_gem.c

@@ -50,13 +50,13 @@ static struct page **get_pages_vram(struct drm_gem_object *obj,
 	struct page **p;
 	int ret, i;
 
-	p = drm_malloc_ab(npages, sizeof(struct page *));
+	p = kvmalloc_array(npages, sizeof(struct page *), GFP_KERNEL);
 	if (!p)
 		return ERR_PTR(-ENOMEM);
 
 	ret = drm_mm_insert_node(&priv->vram.mm, msm_obj->vram_node, npages);
 	if (ret) {
-		drm_free_large(p);
+		kvfree(p);
 		return ERR_PTR(ret);
 	}
 
@@ -127,7 +127,7 @@ static void put_pages(struct drm_gem_object *obj)
 			drm_gem_put_pages(obj, msm_obj->pages, true, false);
 		else {
 			drm_mm_remove_node(msm_obj->vram_node);
-			drm_free_large(msm_obj->pages);
+			kvfree(msm_obj->pages);
 		}
 
 		msm_obj->pages = NULL;
@@ -707,7 +707,7 @@ void msm_gem_free_object(struct drm_gem_object *obj)
 		 * ours, just free the array we allocated:
 		 */
 		if (msm_obj->pages)
-			drm_free_large(msm_obj->pages);
+			kvfree(msm_obj->pages);
 
 		drm_prime_gem_destroy(obj, msm_obj->sgt);
 	} else {
@@ -863,7 +863,7 @@ struct drm_gem_object *msm_gem_import(struct drm_device *dev,
 
 	msm_obj = to_msm_bo(obj);
 	msm_obj->sgt = sgt;
-	msm_obj->pages = drm_malloc_ab(npages, sizeof(struct page *));
+	msm_obj->pages = kvmalloc_array(npages, sizeof(struct page *), GFP_KERNEL);
 	if (!msm_obj->pages) {
 		ret = -ENOMEM;
 		goto fail;

drivers/gpu/drm/radeon/radeon_cs.c

@@ -87,7 +87,8 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
 	p->dma_reloc_idx = 0;
 	/* FIXME: we assume that each relocs use 4 dwords */
 	p->nrelocs = chunk->length_dw / 4;
-	p->relocs = drm_calloc_large(p->nrelocs, sizeof(struct radeon_bo_list));
+	p->relocs = kvmalloc_array(p->nrelocs, sizeof(struct radeon_bo_list),
+			GFP_KERNEL | __GFP_ZERO);
 	if (p->relocs == NULL) {
 		return -ENOMEM;
 	}
@@ -341,7 +342,7 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
 				continue;
 		}
 
-		p->chunks[i].kdata = drm_malloc_ab(size, sizeof(uint32_t));
+		p->chunks[i].kdata = kvmalloc_array(size, sizeof(uint32_t), GFP_KERNEL);
 		size *= sizeof(uint32_t);
 		if (p->chunks[i].kdata == NULL) {
 			return -ENOMEM;
@@ -440,10 +441,10 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error, bo
 		}
 	}
 	kfree(parser->track);
-	drm_free_large(parser->relocs);
-	drm_free_large(parser->vm_bos);
+	kvfree(parser->relocs);
+	kvfree(parser->vm_bos);
 	for (i = 0; i < parser->nchunks; i++)
-		drm_free_large(parser->chunks[i].kdata);
+		kvfree(parser->chunks[i].kdata);
 	kfree(parser->chunks);
 	kfree(parser->chunks_array);
 	radeon_ib_free(parser->rdev, &parser->ib);

drivers/gpu/drm/radeon/radeon_gem.c

@@ -587,7 +587,7 @@ static void radeon_gem_va_update_vm(struct radeon_device *rdev,
 	ttm_eu_backoff_reservation(&ticket, &list);
 
 error_free:
-	drm_free_large(vm_bos);
+	kvfree(vm_bos);
 
 	if (r && r != -ERESTARTSYS)
 		DRM_ERROR("Couldn't update BO_VA (%d)\n", r);

drivers/gpu/drm/radeon/radeon_ring.c

@@ -314,7 +314,7 @@ unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring
 	}
 
 	/* and then save the content of the ring */
-	*data = drm_malloc_ab(size, sizeof(uint32_t));
+	*data = kvmalloc_array(size, sizeof(uint32_t), GFP_KERNEL);
 	if (!*data) {
 		mutex_unlock(&rdev->ring_lock);
 		return 0;
@@ -356,7 +356,7 @@ int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring,
 	}
 
 	radeon_ring_unlock_commit(rdev, ring, false);
-	drm_free_large(data);
+	kvfree(data);
 	return 0;
 }
 

drivers/gpu/drm/radeon/radeon_vm.c

@@ -132,8 +132,8 @@ struct radeon_bo_list *radeon_vm_get_bos(struct radeon_device *rdev,
 	struct radeon_bo_list *list;
 	unsigned i, idx;
 
-	list = drm_malloc_ab(vm->max_pde_used + 2,
-			     sizeof(struct radeon_bo_list));
+	list = kvmalloc_array(vm->max_pde_used + 2,
+			     sizeof(struct radeon_bo_list), GFP_KERNEL);
 	if (!list)
 		return NULL;
 

drivers/gpu/drm/ttm/ttm_tt.c

@@ -39,7 +39,6 @@
 #include <linux/slab.h>
 #include <linux/export.h>
 #include <drm/drm_cache.h>
-#include <drm/drm_mem_util.h>
 #include <drm/ttm/ttm_module.h>
 #include <drm/ttm/ttm_bo_driver.h>
 #include <drm/ttm/ttm_placement.h>
@@ -53,14 +52,16 @@
  */
 static void ttm_tt_alloc_page_directory(struct ttm_tt *ttm)
 {
-	ttm->pages = drm_calloc_large(ttm->num_pages, sizeof(void*));
+	ttm->pages = kvmalloc_array(ttm->num_pages, sizeof(void*),
+			GFP_KERNEL | __GFP_ZERO);
 }
 
 static void ttm_dma_tt_alloc_page_directory(struct ttm_dma_tt *ttm)
 {
-	ttm->ttm.pages = drm_calloc_large(ttm->ttm.num_pages,
+	ttm->ttm.pages = kvmalloc_array(ttm->ttm.num_pages,
 					  sizeof(*ttm->ttm.pages) +
-					  sizeof(*ttm->dma_address));
+					  sizeof(*ttm->dma_address),
+					  GFP_KERNEL | __GFP_ZERO);
 	ttm->dma_address = (void *) (ttm->ttm.pages + ttm->ttm.num_pages);
 }
 
@@ -208,7 +209,7 @@ EXPORT_SYMBOL(ttm_tt_init);
 
 void ttm_tt_fini(struct ttm_tt *ttm)
 {
-	drm_free_large(ttm->pages);
+	kvfree(ttm->pages);
 	ttm->pages = NULL;
 }
 EXPORT_SYMBOL(ttm_tt_fini);
@@ -243,7 +244,7 @@ void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma)
 {
 	struct ttm_tt *ttm = &ttm_dma->ttm;
 
-	drm_free_large(ttm->pages);
+	kvfree(ttm->pages);
 	ttm->pages = NULL;
 	ttm_dma->dma_address = NULL;
 }

drivers/gpu/drm/udl/udl_dmabuf.c

@@ -228,7 +228,7 @@ static int udl_prime_create(struct drm_device *dev,
 		return -ENOMEM;
 
 	obj->sg = sg;
-	obj->pages = drm_malloc_ab(npages, sizeof(struct page *));
+	obj->pages = kvmalloc_array(npages, sizeof(struct page *), GFP_KERNEL);
 	if (obj->pages == NULL) {
 		DRM_ERROR("obj pages is NULL %d\n", npages);
 		return -ENOMEM;

drivers/gpu/drm/udl/udl_gem.c

@@ -146,7 +146,7 @@ int udl_gem_get_pages(struct udl_gem_object *obj)
 void udl_gem_put_pages(struct udl_gem_object *obj)
 {
 	if (obj->base.import_attach) {
-		drm_free_large(obj->pages);
+		kvfree(obj->pages);
 		obj->pages = NULL;
 		return;
 	}

drivers/gpu/drm/vc4/vc4_gem.c

@@ -660,14 +660,15 @@ vc4_cl_lookup_bos(struct drm_device *dev,
 		return -EINVAL;
 	}
 
-	exec->bo = drm_calloc_large(exec->bo_count,
-				    sizeof(struct drm_gem_cma_object *));
+	exec->bo = kvmalloc_array(exec->bo_count,
+				    sizeof(struct drm_gem_cma_object *),
+				    GFP_KERNEL | __GFP_ZERO);
 	if (!exec->bo) {
 		DRM_ERROR("Failed to allocate validated BO pointers\n");
 		return -ENOMEM;
 	}
 
-	handles = drm_malloc_ab(exec->bo_count, sizeof(uint32_t));
+	handles = kvmalloc_array(exec->bo_count, sizeof(uint32_t), GFP_KERNEL);
 	if (!handles) {
 		ret = -ENOMEM;
 		DRM_ERROR("Failed to allocate incoming GEM handles\n");
@@ -699,7 +700,7 @@ vc4_cl_lookup_bos(struct drm_device *dev,
 	spin_unlock(&file_priv->table_lock);
 
 fail:
-	drm_free_large(handles);
+	kvfree(handles);
 	return ret;
 }
 
@@ -737,7 +738,7 @@ vc4_get_bcl(struct drm_device *dev, struct vc4_exec_info *exec)
 	 * read the contents back for validation, and I think the
 	 * bo->vaddr is uncached access.
 	 */
-	temp = drm_malloc_ab(temp_size, 1);
+	temp = kvmalloc_array(temp_size, 1, GFP_KERNEL);
 	if (!temp) {
 		DRM_ERROR("Failed to allocate storage for copying "
 			  "in bin/render CLs.\n");
@@ -812,7 +813,7 @@ vc4_get_bcl(struct drm_device *dev, struct vc4_exec_info *exec)
 	ret = vc4_wait_for_seqno(dev, exec->bin_dep_seqno, ~0ull, true);
 
 fail:
-	drm_free_large(temp);
+	kvfree(temp);
 	return ret;
 }
 
@@ -832,7 +833,7 @@ vc4_complete_exec(struct drm_device *dev, struct vc4_exec_info *exec)
 	if (exec->bo) {
 		for (i = 0; i < exec->bo_count; i++)
 			drm_gem_object_unreference_unlocked(&exec->bo[i]->base);
-		drm_free_large(exec->bo);
+		kvfree(exec->bo);
 	}
 
 	while (!list_empty(&exec->unref_list)) {

drivers/gpu/drm/vgem/vgem_drv.c

@@ -51,7 +51,7 @@ static void vgem_gem_free_object(struct drm_gem_object *obj)
 {
 	struct drm_vgem_gem_object *vgem_obj = to_vgem_bo(obj);
 
-	drm_free_large(vgem_obj->pages);
+	kvfree(vgem_obj->pages);
 
 	if (obj->import_attach)
 		drm_prime_gem_destroy(obj, vgem_obj->table);
@@ -328,7 +328,7 @@ static struct drm_gem_object *vgem_prime_import_sg_table(struct drm_device *dev,
 	npages = PAGE_ALIGN(attach->dmabuf->size) / PAGE_SIZE;
 
 	obj->table = sg;
-	obj->pages = drm_malloc_ab(npages, sizeof(struct page *));
+	obj->pages = kvmalloc_array(npages, sizeof(struct page *), GFP_KERNEL);
 	if (!obj->pages) {
 		__vgem_gem_destroy(obj);
 		return ERR_PTR(-ENOMEM);

drivers/gpu/drm/virtio/virtgpu_ioctl.c

@@ -120,13 +120,14 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
 	INIT_LIST_HEAD(&validate_list);
 	if (exbuf->num_bo_handles) {
 
-		bo_handles = drm_malloc_ab(exbuf->num_bo_handles,
-					   sizeof(uint32_t));
-		buflist = drm_calloc_large(exbuf->num_bo_handles,
-					   sizeof(struct ttm_validate_buffer));
+		bo_handles = kvmalloc_array(exbuf->num_bo_handles,
+					   sizeof(uint32_t), GFP_KERNEL);
+		buflist = kvmalloc_array(exbuf->num_bo_handles,
+					   sizeof(struct ttm_validate_buffer),
+					   GFP_KERNEL | __GFP_ZERO);
 		if (!bo_handles || !buflist) {
-			drm_free_large(bo_handles);
-			drm_free_large(buflist);
+			kvfree(bo_handles);
+			kvfree(buflist);
 			return -ENOMEM;
 		}
 
@@ -134,16 +135,16 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
 		if (copy_from_user(bo_handles, user_bo_handles,
 				   exbuf->num_bo_handles * sizeof(uint32_t))) {
 			ret = -EFAULT;
-			drm_free_large(bo_handles);
-			drm_free_large(buflist);
+			kvfree(bo_handles);
+			kvfree(buflist);
 			return ret;
 		}
 
 		for (i = 0; i < exbuf->num_bo_handles; i++) {
 			gobj = drm_gem_object_lookup(drm_file, bo_handles[i]);
 			if (!gobj) {
-				drm_free_large(bo_handles);
-				drm_free_large(buflist);
+				kvfree(bo_handles);
+				kvfree(buflist);
 				return -ENOENT;
 			}
 
@@ -152,7 +153,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
 
 			list_add(&buflist[i].head, &validate_list);
 		}
-		drm_free_large(bo_handles);
+		kvfree(bo_handles);
 	}
 
 	ret = virtio_gpu_object_list_validate(&ticket, &validate_list);
@@ -172,7 +173,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
 
 	/* fence the command bo */
 	virtio_gpu_unref_list(&validate_list);
-	drm_free_large(buflist);
+	kvfree(buflist);
 	dma_fence_put(&fence->f);
 	return 0;
 
@@ -180,7 +181,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
 	ttm_eu_backoff_reservation(&ticket, &validate_list);
 out_free:
 	virtio_gpu_unref_list(&validate_list);
-	drm_free_large(buflist);
+	kvfree(buflist);
 	return ret;
 }
 

include/drm/drmP.h

@@ -70,7 +70,6 @@
 #include <drm/drm_fourcc.h>
 #include <drm/drm_global.h>
 #include <drm/drm_hashtab.h>
-#include <drm/drm_mem_util.h>
 #include <drm/drm_mm.h>
 #include <drm/drm_os_linux.h>
 #include <drm/drm_sarea.h>