diff options
Diffstat (limited to 'arch/powerpc/mm/hash_utils_64.c')
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 262082e..fbe747e 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -1322,6 +1322,22 @@ int __hash_page(unsigned long ea, unsigned long msr, unsigned long trap, return hash_page_mm(mm, ea, access, trap, flags); } +#ifdef CONFIG_PPC_MM_SLICES +static bool should_hash_preload(struct mm_struct *mm, unsigned long ea) +{ + /* We only prefault standard pages for now */ + if (unlikely(get_slice_psize(mm, ea) != mm->context.user_psize)) + return false; + + return true; +} +#else +static bool should_hash_preload(struct mm_struct *mm, unsigned long ea) +{ + return true; +} +#endif + void hash_preload(struct mm_struct *mm, unsigned long ea, unsigned long access, unsigned long trap) { @@ -1334,11 +1350,8 @@ void hash_preload(struct mm_struct *mm, unsigned long ea, BUG_ON(REGION_ID(ea) != USER_REGION_ID); -#ifdef CONFIG_PPC_MM_SLICES - /* We only prefault standard pages for now */ - if (unlikely(get_slice_psize(mm, ea) != mm->context.user_psize)) + if (!should_hash_preload(mm, ea)) return; -#endif DBG_LOW("hash_preload(mm=%p, mm->pgdir=%p, ea=%016lx, access=%lx," " trap=%lx\n", mm, mm->pgd, ea, access, trap); |
