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powerpc: handle pgtable_page_ctor() fail

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Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.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 14:31:38 -08:00
committed by Linus Torvalds
parent bc16640dce
commit 4f804943f9
3 changed files with 12 additions and 5 deletions
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5
arch/powerpc/include/asm/pgalloc-64.h
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@@ -91,7 +91,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
if (!pte)
return NULL;
page = virt_to_page(pte);
pgtable_page_ctor(page);
if (!pgtable_page_ctor(page)) {
__free_page(page);
return NULL;
}
return page;
}