Merge tag 'for-linus-5.2b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fix from Juergen Gross:
 "Just one fix for the Xen block frontend driver avoiding allocations
  with order > 0"

* tag 'for-linus-5.2b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen-blkfront: switch kcalloc to kvcalloc for large array allocation

drivers/block/xen-blkfront.c

@@ -1310,11 +1310,11 @@ static void blkif_free_ring(struct blkfront_ring_info *rinfo)
 		}
 
 free_shadow:
-		kfree(rinfo->shadow[i].grants_used);
+		kvfree(rinfo->shadow[i].grants_used);
 		rinfo->shadow[i].grants_used = NULL;
-		kfree(rinfo->shadow[i].indirect_grants);
+		kvfree(rinfo->shadow[i].indirect_grants);
 		rinfo->shadow[i].indirect_grants = NULL;
-		kfree(rinfo->shadow[i].sg);
+		kvfree(rinfo->shadow[i].sg);
 		rinfo->shadow[i].sg = NULL;
 	}
 
@@ -1353,7 +1353,7 @@ static void blkif_free(struct blkfront_info *info, int suspend)
 	for (i = 0; i < info->nr_rings; i++)
 		blkif_free_ring(&info->rinfo[i]);
 
-	kfree(info->rinfo);
+	kvfree(info->rinfo);
 	info->rinfo = NULL;
 	info->nr_rings = 0;
 }
@@ -1914,7 +1914,7 @@ static int negotiate_mq(struct blkfront_info *info)
 	if (!info->nr_rings)
 		info->nr_rings = 1;
 
-	info->rinfo = kcalloc(info->nr_rings,
+	info->rinfo = kvcalloc(info->nr_rings,
 			       sizeof(struct blkfront_ring_info),
 			       GFP_KERNEL);
 	if (!info->rinfo) {
@@ -2232,15 +2232,15 @@ static int blkfront_setup_indirect(struct blkfront_ring_info *rinfo)
 
 	for (i = 0; i < BLK_RING_SIZE(info); i++) {
 		rinfo->shadow[i].grants_used =
-			kcalloc(grants,
+			kvcalloc(grants,
 				 sizeof(rinfo->shadow[i].grants_used[0]),
 				 GFP_NOIO);
-		rinfo->shadow[i].sg = kcalloc(psegs,
+		rinfo->shadow[i].sg = kvcalloc(psegs,
 					       sizeof(rinfo->shadow[i].sg[0]),
 					       GFP_NOIO);
 		if (info->max_indirect_segments)
 			rinfo->shadow[i].indirect_grants =
-				kcalloc(INDIRECT_GREFS(grants),
+				kvcalloc(INDIRECT_GREFS(grants),
 					 sizeof(rinfo->shadow[i].indirect_grants[0]),
 					 GFP_NOIO);
 		if ((rinfo->shadow[i].grants_used == NULL) ||
@@ -2256,11 +2256,11 @@ static int blkfront_setup_indirect(struct blkfront_ring_info *rinfo)
 
 out_of_memory:
 	for (i = 0; i < BLK_RING_SIZE(info); i++) {
-		kfree(rinfo->shadow[i].grants_used);
+		kvfree(rinfo->shadow[i].grants_used);
 		rinfo->shadow[i].grants_used = NULL;
-		kfree(rinfo->shadow[i].sg);
+		kvfree(rinfo->shadow[i].sg);
 		rinfo->shadow[i].sg = NULL;
-		kfree(rinfo->shadow[i].indirect_grants);
+		kvfree(rinfo->shadow[i].indirect_grants);
 		rinfo->shadow[i].indirect_grants = NULL;
 	}
 	if (!list_empty(&rinfo->indirect_pages)) {