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-rw-r--r--arch/powerpc/mm/hash_utils_64.c6
-rw-r--r--arch/powerpc/mm/mmu_context_64.c8
-rw-r--r--include/asm-powerpc/page_64.h7
3 files changed, 8 insertions, 13 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index c74af42eb9c..d525f2eba31 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -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
diff --git a/arch/powerpc/mm/mmu_context_64.c b/arch/powerpc/mm/mmu_context_64.c
index 901ea765f14..1db38ba1f54 100644
--- a/arch/powerpc/mm/mmu_context_64.c
+++ b/arch/powerpc/mm/mmu_context_64.c
@@ -49,18 +49,12 @@ again:
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;
diff --git a/include/asm-powerpc/page_64.h b/include/asm-powerpc/page_64.h
index 3448a3d4bc6..4ceb1132c48 100644
--- a/include/asm-powerpc/page_64.h
+++ b/include/asm-powerpc/page_64.h
@@ -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