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Date: Thu, 10 Oct 2013 21:05:57 +0300
From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
linux-arch@...r.kernel.org,
"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
Chris Zankel <chris@...kel.net>,
Max Filippov <jcmvbkbc@...il.com>
Subject: [PATCH 32/34] xtensa: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
Cc: Chris Zankel <chris@...kel.net>
Cc: Max Filippov <jcmvbkbc@...il.com>
---
arch/xtensa/include/asm/pgalloc.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/xtensa/include/asm/pgalloc.h b/arch/xtensa/include/asm/pgalloc.h
index 037671a655..b8774f1e21 100644
--- a/arch/xtensa/include/asm/pgalloc.h
+++ b/arch/xtensa/include/asm/pgalloc.h
@@ -58,7 +58,10 @@ 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)) {
+ kmem_cache_free(pgtable_cache, pte);
+ return NULL;
+ }
return page;
}
--
1.8.4.rc3
--
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