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authorIngo Molnar <mingo@kernel.org>2012-03-30 08:47:19 +0200
committerIngo Molnar <mingo@kernel.org>2012-03-30 08:50:06 +0200
commit186e54cbe1145f4d11e32fe10e7e20a11f1b27dd (patch)
tree9b6cf3667a3ea90e0cec0ea7119688ba76c55a71 /mm/hugetlb.c
parent99dd5497e5be4fe4194cad181d45fd6569a930db (diff)
parent4bde23f8751f388867766b0a62ed1ef8b7e01561 (diff)
Merge branch 'linus' into x86/urgent
Merge reason: Needed for include file dependencies. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'mm/hugetlb.c')
-rw-r--r--mm/hugetlb.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index afa057a1d3f..b8ce6f45095 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2331,16 +2331,23 @@ void __unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start,
if (huge_pmd_unshare(mm, &address, ptep))
continue;
+ pte = huge_ptep_get(ptep);
+ if (huge_pte_none(pte))
+ continue;
+
+ /*
+ * HWPoisoned hugepage is already unmapped and dropped reference
+ */
+ if (unlikely(is_hugetlb_entry_hwpoisoned(pte)))
+ continue;
+
+ page = pte_page(pte);
/*
* If a reference page is supplied, it is because a specific
* page is being unmapped, not a range. Ensure the page we
* are about to unmap is the actual page of interest.
*/
if (ref_page) {
- pte = huge_ptep_get(ptep);
- if (huge_pte_none(pte))
- continue;
- page = pte_page(pte);
if (page != ref_page)
continue;
@@ -2353,16 +2360,6 @@ void __unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start,
}
pte = huge_ptep_get_and_clear(mm, address, ptep);
- if (huge_pte_none(pte))
- continue;
-
- /*
- * HWPoisoned hugepage is already unmapped and dropped reference
- */
- if (unlikely(is_hugetlb_entry_hwpoisoned(pte)))
- continue;
-
- page = pte_page(pte);
if (pte_dirty(pte))
set_page_dirty(page);
list_add(&page->lru, &page_list);