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mips: handle pgtable_page_ctor() fail

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Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
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 14:31:36 -08:00 committed by Linus Torvalds
parent 855a305318
commit 3b5b51c1a7
1 changed files with 6 additions and 3 deletions
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9
arch/mips/include/asm/pgalloc.h
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@ -80,9 +80,12 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
struct page *pte;
pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER);
if (pte) {
clear_highpage(pte);
pgtable_page_ctor(pte);
if (!pte)
return NULL;
clear_highpage(pte);
if (!pgtable_page_ctor(pte)) {
__free_page(pte);
return NULL;
}
return pte;
}