Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756790Ab3JJSNU (ORCPT ); Thu, 10 Oct 2013 14:13:20 -0400 Received: from mga11.intel.com ([192.55.52.93]:15491 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755979Ab3JJSGL (ORCPT ); Thu, 10 Oct 2013 14:06:11 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.90,1073,1371106800"; d="scan'208";a="415020991" From: "Kirill A. Shutemov" To: Andrew Morton , Peter Zijlstra , Ingo Molnar Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, "Kirill A. Shutemov" , Vineet Gupta Subject: [PATCH 10/34] arc: handle pgtable_page_ctor() fail Date: Thu, 10 Oct 2013 21:05:35 +0300 Message-Id: <1381428359-14843-11-git-send-email-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 1.8.4.rc3 In-Reply-To: <1381428359-14843-1-git-send-email-kirill.shutemov@linux.intel.com> References: <1381428359-14843-1-git-send-email-kirill.shutemov@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1186 Lines: 38 Signed-off-by: Kirill A. Shutemov Cc: Vineet Gupta --- arch/arc/include/asm/pgalloc.h | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/arch/arc/include/asm/pgalloc.h b/arch/arc/include/asm/pgalloc.h index 36a9f20c21..81208bfd9d 100644 --- a/arch/arc/include/asm/pgalloc.h +++ b/arch/arc/include/asm/pgalloc.h @@ -105,11 +105,16 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) { pgtable_t pte_pg; + struct page *page; pte_pg = __get_free_pages(GFP_KERNEL | __GFP_REPEAT, __get_order_pte()); - if (pte_pg) { - memzero((void *)pte_pg, PTRS_PER_PTE * 4); - pgtable_page_ctor(virt_to_page(pte_pg)); + if (!pte_pg) + return 0; + memzero((void *)pte_pg, PTRS_PER_PTE * 4); + page = virt_to_page(pte_pg); + if (!pgtable_page_ctor(page)) { + __free_page(page); + return 0; } return pte_pg; -- 1.8.4.rc3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/