Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757432Ab3JJSMo (ORCPT ); Thu, 10 Oct 2013 14:12:44 -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 S1756197Ab3JJSGL (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="415020988" 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" , David Howells , Koichi Yasutake Subject: [PATCH 07/34] mn10300: add missing pgtable_page_ctor/dtor calls Date: Thu, 10 Oct 2013 21:05:32 +0300 Message-Id: <1381428359-14843-8-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: 1588 Lines: 51 It will fix NR_PAGETABLE accounting. It's also required if the arch is going ever support split ptl. Signed-off-by: Kirill A. Shutemov Cc: David Howells Cc: Koichi Yasutake --- arch/mn10300/include/asm/pgalloc.h | 1 + arch/mn10300/mm/pgtable.c | 9 +++++++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/mn10300/include/asm/pgalloc.h b/arch/mn10300/include/asm/pgalloc.h index 146bacf193..0f25d5fa86 100644 --- a/arch/mn10300/include/asm/pgalloc.h +++ b/arch/mn10300/include/asm/pgalloc.h @@ -46,6 +46,7 @@ static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) static inline void pte_free(struct mm_struct *mm, struct page *pte) { + pgtable_page_dtor(pte); __free_page(pte); } diff --git a/arch/mn10300/mm/pgtable.c b/arch/mn10300/mm/pgtable.c index bd9ada693f..e77a7c7280 100644 --- a/arch/mn10300/mm/pgtable.c +++ b/arch/mn10300/mm/pgtable.c @@ -78,8 +78,13 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) #else pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0); #endif - if (pte) - clear_highpage(pte); + if (!pte) + return NULL; + clear_highpage(pte); + if (!pgtable_page_ctor(pte)) { + __free_page(pte); + return NULL; + } return pte; } -- 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/