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sh: handle pgtable_page_ctor() fail

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Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Paul Mundt <lethal@linux-sh.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 14:31:41 -08:00 committed by Linus Torvalds
parent 96da3a62ea
commit 478cf8ca01
1 changed files with 4 additions and 1 deletions
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5
arch/sh/include/asm/pgalloc.h
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@ -47,7 +47,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
if (!pg)
return NULL;
page = virt_to_page(pg);
pgtable_page_ctor(page);
if (!pgtable_page_ctor(page)) {
quicklist_free(QUICK_PT, NULL, pg);
return NULL;
}
return page;
}