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metag: handle pgtable_page_ctor() fail

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Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kirill A. Shutemov 2013-11-14 14:31:35 -08:00 committed by Linus Torvalds
parent f84c914b98
commit 855a305318
1 changed files with 6 additions and 2 deletions
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8
arch/metag/include/asm/pgalloc.h
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@ -52,8 +52,12 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
{
struct page *pte;
pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO, 0);
if (pte)
pgtable_page_ctor(pte);
if (!pte)
return NULL;
if (!pgtable_page_ctor(pte)) {
__free_page(pte);
return NULL;
}
return pte;
}