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tile: handle pgtable_page_ctor() fail

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Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.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 14:31:43 -08:00 • committed by Linus Torvalds
parent 1ae9ae5f7d
commit 76b3aec332
1 changed files with 5 additions and 1 deletions
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6
arch/tile/mm/pgtable.c
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@ -241,6 +241,11 @@ struct page *pgtable_alloc_one(struct mm_struct *mm, unsigned long address,
if (p == NULL) if (p == NULL)
return NULL; return NULL;
if (!pgtable_page_ctor(p)) {
__free_pages(p, L2_USER_PGTABLE_ORDER);
return NULL;
}
/* /*
* Make every page have a page_count() of one, not just the first. * Make every page have a page_count() of one, not just the first.
* We don't use __GFP_COMP since it doesn't look like it works * We don't use __GFP_COMP since it doesn't look like it works
@ -251,7 +256,6 @@ struct page *pgtable_alloc_one(struct mm_struct *mm, unsigned long address,
inc_zone_page_state(p+i, NR_PAGETABLE); inc_zone_page_state(p+i, NR_PAGETABLE);
} }
pgtable_page_ctor(p);
return p; return p;
} }