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mm: actually clear pmd_numa before invalidating

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Commit 67f87463d3 ("mm: clear pmd_numa before invalidating") cleared
the NUMA bit in a copy of the PMD entry, but then wrote back the
original

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthew Wilcox
2014-08-29 15:18:33 -07:00
committed by Linus Torvalds
parent 0cfb8f0c3e
commit ce8369bcbe
1 changed files with 1 additions and 1 deletions
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2
mm/pgtable-generic.c
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@@ -195,7 +195,7 @@ void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
pmd_t entry = *pmdp; pmd_t entry = *pmdp;
if (pmd_numa(entry)) if (pmd_numa(entry))
entry = pmd_mknonnuma(entry); entry = pmd_mknonnuma(entry);
set_pmd_at(vma->vm_mm, address, pmdp, pmd_mknotpresent(*pmdp)); set_pmd_at(vma->vm_mm, address, pmdp, pmd_mknotpresent(entry));
flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE); flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
} }
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ #endif /* CONFIG_TRANSPARENT_HUGEPAGE */