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Message-Id: <1407981212-17818-7-git-send-email-minchan@kernel.org> Date: Thu, 14 Aug 2014 10:53:30 +0900 From: Minchan Kim <minchan@...nel.org> To: Andrew Morton <akpm@...ux-foundation.org> Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org, Michael Kerrisk <mtk.manpages@...il.com>, Linux API <linux-api@...r.kernel.org>, Hugh Dickins <hughd@...gle.com>, Johannes Weiner <hannes@...xchg.org>, Rik van Riel <riel@...hat.com>, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>, Mel Gorman <mgorman@...e.de>, Jason Evans <je@...com>, Zhang Yanfei <zhangyanfei@...fujitsu.com>, "Kirill A. Shutemov" <kirill@...temov.name>, Minchan Kim <minchan@...nel.org>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will.deacon@....com>, Russell King <linux@....linux.org.uk>, linux-arm-kernel@...ts.infradead.org, Steve Capper <steve.capper@...aro.org> Subject: [PATCH v14 6/8] arm: add pmd_mkclean for THP 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_mkclean for THP page MADV_FREE support. Cc: Catalin Marinas <catalin.marinas@....com> Cc: Will Deacon <will.deacon@....com> Cc: Russell King <linux@....linux.org.uk> Cc: linux-arm-kernel@...ts.infradead.org Cc: Steve Capper <steve.capper@...aro.org> Acked-by: Steve Capper <steve.capper@...aro.org> Signed-off-by: Minchan Kim <minchan@...nel.org> --- arch/arm/include/asm/pgtable-3level.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h index 06e0bc0f8b00..bc913a065270 100644 --- a/arch/arm/include/asm/pgtable-3level.h +++ b/arch/arm/include/asm/pgtable-3level.h @@ -234,6 +234,7 @@ PMD_BIT_FUNC(mkold, &= ~PMD_SECT_AF); PMD_BIT_FUNC(mksplitting, |= L_PMD_SECT_SPLITTING); PMD_BIT_FUNC(mkwrite, &= ~L_PMD_SECT_RDONLY); PMD_BIT_FUNC(mkdirty, |= L_PMD_SECT_DIRTY); +PMD_BIT_FUNC(mkclean, &= ~L_PMD_SECT_DIRTY); PMD_BIT_FUNC(mkyoung, |= PMD_SECT_AF); #define pmd_mkhuge(pmd) (__pmd(pmd_val(pmd) & ~PMD_TABLE_BIT)) -- 2.0.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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