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sparc: handle pgtable_page_ctor() fail

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Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
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 14:31:42 -08:00
committed by Linus Torvalds
parent 478cf8ca01
commit 1ae9ae5f7d
2 changed files with 10 additions and 6 deletions
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11
arch/sparc/mm/init_64.c
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@@ -2519,12 +2519,13 @@ pgtable_t pte_alloc_one(struct mm_struct *mm,
return pte;
page = __alloc_for_cache(mm);
if (page) {
pgtable_page_ctor(page);
pte = (pte_t *) page_address(page);
if (!page)
return NULL;
if (!pgtable_page_ctor(page)) {
free_hot_cold_page(page, 0);
return NULL;
}
return pte;
return (pte_t *) page_address(page);
}
void pte_free_kernel(struct mm_struct *mm, pte_t *pte)