diff options
author | Ingo Molnar <mingo@kernel.org> | 2012-03-30 08:47:19 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2012-03-30 08:50:06 +0200 |
commit | 186e54cbe1145f4d11e32fe10e7e20a11f1b27dd (patch) | |
tree | 9b6cf3667a3ea90e0cec0ea7119688ba76c55a71 /mm/hugetlb.c | |
parent | 99dd5497e5be4fe4194cad181d45fd6569a930db (diff) | |
parent | 4bde23f8751f388867766b0a62ed1ef8b7e01561 (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.c | 25 |
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); |