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-rw-r--r--mm/huge_memory.c3
-rw-r--r--mm/pgtable-generic.c11
2 files changed, 12 insertions, 2 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 9ea6d195376..bec6243b696 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1361,8 +1361,7 @@ static int __split_huge_page_map(struct page *page,
1361 * SMP TLB and finally we write the non-huge version 1361 * SMP TLB and finally we write the non-huge version
1362 * of the pmd entry with pmd_populate. 1362 * of the pmd entry with pmd_populate.
1363 */ 1363 */
1364 set_pmd_at(mm, address, pmd, pmd_mknotpresent(*pmd)); 1364 pmdp_invalidate(vma, address, pmd);
1365 flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
1366 pmd_populate(mm, pmd, pgtable); 1365 pmd_populate(mm, pmd, pgtable);
1367 ret = 1; 1366 ret = 1;
1368 } 1367 }
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)
159} 159}
160#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ 160#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
161#endif 161#endif
162
163#ifndef __HAVE_ARCH_PMDP_INVALIDATE
164#ifdef CONFIG_TRANSPARENT_HUGEPAGE
165void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
166 pmd_t *pmdp)
167{
168 set_pmd_at(vma->vm_mm, address, pmdp, pmd_mknotpresent(*pmdp));
169 flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
170}
171#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
172#endif