Commit e8ff0646 authored by Stephen Rothwell's avatar Stephen Rothwell Committed by Paul Mackerras

[POWERPC] Tidy up CONFIG_PPC_MM_SLICES code

This removes some of the #ifdefs from .c files.
Signed-off-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 0b8188a4
......@@ -601,13 +601,7 @@ static void demote_segment_4k(struct mm_struct *mm, unsigned long addr)
{
if (mm->context.user_psize == MMU_PAGE_4K)
return;
#ifdef CONFIG_PPC_MM_SLICES
slice_set_user_psize(mm, MMU_PAGE_4K);
#else /* CONFIG_PPC_MM_SLICES */
mm->context.user_psize = MMU_PAGE_4K;
mm->context.sllp = SLB_VSID_USER | mmu_psize_defs[MMU_PAGE_4K].sllp;
#endif /* CONFIG_PPC_MM_SLICES */
#ifdef CONFIG_SPU_BASE
spu_flush_all_slbs(mm);
#endif
......
......@@ -49,18 +49,12 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
return -ENOMEM;
}
#ifdef CONFIG_PPC_MM_SLICES
/* The old code would re-promote on fork, we don't do that
* when using slices as it could cause problem promoting slices
* that have been forced down to 4K
*/
if (mm->context.id == 0)
if (slice_mm_new_context(mm))
slice_set_user_psize(mm, mmu_virtual_psize);
#else
mm->context.user_psize = mmu_virtual_psize;
mm->context.sllp = SLB_VSID_USER |
mmu_psize_defs[mmu_virtual_psize].sllp;
#endif
mm->context.id = index;
return 0;
......
......@@ -121,6 +121,7 @@ extern unsigned int get_slice_psize(struct mm_struct *mm,
extern void slice_init_context(struct mm_struct *mm, unsigned int psize);
extern void slice_set_user_psize(struct mm_struct *mm, unsigned int psize);
#define slice_mm_new_context(mm) ((mm)->context.id == 0)
#define ARCH_HAS_HUGEPAGE_ONLY_RANGE
extern int is_hugepage_only_range(struct mm_struct *m,
......@@ -130,6 +131,12 @@ extern int is_hugepage_only_range(struct mm_struct *m,
#endif /* __ASSEMBLY__ */
#else
#define slice_init()
#define slice_set_user_psize(mm, psize) \
do { \
(mm)->context.user_psize = (psize); \
(mm)->context.sllp = SLB_VSID_USER | mmu_psize_defs[(psize)].sllp; \
} while (0)
#define slice_mm_new_context(mm) 1
#endif /* CONFIG_PPC_MM_SLICES */
#ifdef CONFIG_HUGETLB_PAGE
......
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