diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index c3c39b02b2ba7b0ae58df5bf293103b382b2b708..8cecda4bd66ae43d79f1c16beb4e229ecd26cc92 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -509,8 +509,10 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, */ unsigned long access, trap; - if (radix_enabled()) + if (radix_enabled()) { + prefetch((void *)address); return; + } /* We only want HPTEs for linux PTEs that have _PAGE_ACCESSED set */ if (!pte_young(*ptep) || address >= TASK_SIZE) diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c index 82fed87289de83dd5f8ab083c426c6177c5b120b..c1f4ca45c93a488df07d66525f0d935ca342f84c 100644 --- a/arch/powerpc/mm/pgtable-book3s64.c +++ b/arch/powerpc/mm/pgtable-book3s64.c @@ -152,7 +152,8 @@ pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot) void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd) { - return; + if (radix_enabled()) + prefetch((void *)addr); } #endif /* CONFIG_TRANSPARENT_HUGEPAGE */