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xtensa: handle pgtable_page_ctor() fail

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Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.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 14:31:48 -08:00 committed by Linus Torvalds
parent cecbd1b5af
commit 8f43123d17
1 changed files with 4 additions and 1 deletions
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5
arch/xtensa/include/asm/pgalloc.h
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@ -58,7 +58,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
if (!pte) if (!pte)
return NULL; return NULL;
page = virt_to_page(pte); page = virt_to_page(pte);
pgtable_page_ctor(page); if (!pgtable_page_ctor(page)) {
kmem_cache_free(pgtable_cache, pte);
return NULL;
}
return page; return page;
} }