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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-27 11:00:52 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-27 11:00:52 +0900
commit45f6bc5ff9c3387387f048ec85dcb4e69acf0b03 (patch)
treed04952bb05b53a362bcd165fb910c5c1441b4c5d /mm/huge_memory.c
parent3138887bd8d18173f3c2baf1e43621c49090cd27 (diff)
parente4aa937ec75df0eea0bee03bffa3303ad36c986b (diff)
Merge 3.10-rc3 into usb-next
We want these fixes. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/huge_memory.c')
-rw-r--r--mm/huge_memory.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 03a89a2f464..362c329b83f 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2325,7 +2325,12 @@ static void collapse_huge_page(struct mm_struct *mm,
pte_unmap(pte);
spin_lock(&mm->page_table_lock);
BUG_ON(!pmd_none(*pmd));
- set_pmd_at(mm, address, pmd, _pmd);
+ /*
+ * We can only use set_pmd_at when establishing
+ * hugepmds and never for establishing regular pmds that
+ * points to regular pagetables. Use pmd_populate for that
+ */
+ pmd_populate(mm, pmd, pmd_pgtable(_pmd));
spin_unlock(&mm->page_table_lock);
anon_vma_unlock_write(vma->anon_vma);
goto out;