The patch titled
Subject: mm: actually clear pmd_numa before invalidating
has been added to the -mm tree. Its filename is
mm-actually-clear-pmd_numa-before-invalidating.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-actually-clear-pmd_numa-before-invalidating.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-actually-clear-pmd_numa-before-invalidating.patch
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------------------------------------------------------
From: Matthew Wilcox <matthew.r.wilcox@xxxxxxxxx>
Subject: mm: actually clear pmd_numa before invalidating
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@xxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/pgtable-generic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/pgtable-generic.c~mm-actually-clear-pmd_numa-before-invalidating mm/pgtable-generic.c
--- a/mm/pgtable-generic.c~mm-actually-clear-pmd_numa-before-invalidating
+++ a/mm/pgtable-generic.c
@@ -195,7 +195,7 @@ void pmdp_invalidate(struct vm_area_stru
pmd_t entry = *pmdp;
if (pmd_numa(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);
}
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
_
Patches currently in -mm which might be from matthew.r.wilcox@xxxxxxxxx are
mm-actually-clear-pmd_numa-before-invalidating.patch
mm-introduce-do_shared_fault-and-drop-do_fault-fix-fix.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
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