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Date: Thu, 10 Oct 2013 21:05:44 +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>,
Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH 19/34] m68k: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
---
arch/m68k/include/asm/motorola_pgalloc.h | 5 ++++-
arch/m68k/include/asm/sun3_pgalloc.h | 5 ++++-
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/arch/m68k/include/asm/motorola_pgalloc.h b/arch/m68k/include/asm/motorola_pgalloc.h
index 2f02f264e6..dd254eeb03 100644
--- a/arch/m68k/include/asm/motorola_pgalloc.h
+++ b/arch/m68k/include/asm/motorola_pgalloc.h
@@ -40,7 +40,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addres
flush_tlb_kernel_page(pte);
nocache_page(pte);
kunmap(page);
- pgtable_page_ctor(page);
+ if (!pgtable_page_ctor(page)) {
+ __free_page(page);
+ return NULL;
+ }
return page;
}
diff --git a/arch/m68k/include/asm/sun3_pgalloc.h b/arch/m68k/include/asm/sun3_pgalloc.h
index 48d80d5a66..f868506e33 100644
--- a/arch/m68k/include/asm/sun3_pgalloc.h
+++ b/arch/m68k/include/asm/sun3_pgalloc.h
@@ -59,7 +59,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
return NULL;
clear_highpage(page);
- pgtable_page_ctor(page);
+ if (!pgtable_page_ctor(page)) {
+ __free_page(page);
+ return NULL;
+ }
return page;
}
--
1.8.4.rc3
--
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