diff options
Diffstat (limited to 'mm/pgtable-generic.c')
| -rw-r--r-- | mm/pgtable-generic.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c index 29867e083d3..e642627da6b 100644 --- a/mm/pgtable-generic.c +++ b/mm/pgtable-generic.c @@ -159,3 +159,14 @@ pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm) } #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ #endif + +#ifndef __HAVE_ARCH_PMDP_INVALIDATE +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, + pmd_t *pmdp) +{ + set_pmd_at(vma->vm_mm, address, pmdp, pmd_mknotpresent(*pmdp)); + flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE); +} +#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ +#endif |