From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lgeamrelo04.lge.com (lgeamrelo04.lge.com [156.147.1.127]) by lists.ozlabs.org (Postfix) with ESMTP id 0830C1A0044 for ; Mon, 1 Sep 2014 17:19:39 +1000 (EST) From: Minchan Kim To: Andrew Morton Subject: [PATCH v16 4/7] powerpc: add pmd_[dirty|mkclean] for THP Date: Mon, 1 Sep 2014 16:20:45 +0900 Message-Id: <1409556048-5045-5-git-send-email-minchan@kernel.org> In-Reply-To: <1409556048-5045-1-git-send-email-minchan@kernel.org> References: <1409556048-5045-1-git-send-email-minchan@kernel.org> Cc: Jason Evans , Rik van Riel , Minchan Kim , "Aneesh Kumar K.V" , linux-api@vger.kernel.org, Hugh Dickins , linux-kernel@vger.kernel.org, linux-mm@kvack.org, zhangyanfei@cn.fujitsu.com, Michael Kerrisk , KOSAKI Motohiro , Johannes Weiner , "Kirill A. Shutemov" , linuxppc-dev@lists.ozlabs.org, Paul Mackerras , Mel Gorman List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MADV_FREE needs pmd_dirty and pmd_mkclean for detecting recent overwrite of the contents since MADV_FREE syscall is called for THP page. This patch adds pmd_dirty and pmd_mkclean for THP page MADV_FREE support. Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: linuxppc-dev@lists.ozlabs.org Reviewed-by: Aneesh Kumar K.V Signed-off-by: Minchan Kim --- arch/powerpc/include/asm/pgtable-ppc64.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h index 7b3d54fae46f..fb89d8eb96c8 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64.h +++ b/arch/powerpc/include/asm/pgtable-ppc64.h @@ -468,9 +468,11 @@ static inline pte_t *pmdp_ptep(pmd_t *pmd) #define pmd_pfn(pmd) pte_pfn(pmd_pte(pmd)) #define pmd_young(pmd) pte_young(pmd_pte(pmd)) +#define pmd_dirty(pmd) pte_dirty(pmd_pte(pmd)) #define pmd_mkold(pmd) pte_pmd(pte_mkold(pmd_pte(pmd))) #define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd))) #define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd))) +#define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd))) #define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd))) #define pmd_mkwrite(pmd) pte_pmd(pte_mkwrite(pmd_pte(pmd))) -- 2.0.0