From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756124AbbIXOvl (ORCPT ); Thu, 24 Sep 2015 10:51:41 -0400 Received: from mga01.intel.com ([192.55.52.88]:21512 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754796AbbIXOvc (ORCPT ); Thu, 24 Sep 2015 10:51:32 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,581,1437462000"; d="scan'208";a="567712766" From: "Kirill A. Shutemov" To: Andrew Morton Cc: Andrea Arcangeli , Hugh Dickins , Dave Hansen , Mel Gorman , Rik van Riel , Vlastimil Babka , Christoph Lameter , Naoya Horiguchi , Steve Capper , "Aneesh Kumar K.V" , Johannes Weiner , Michal Hocko , Jerome Marchand , Sasha Levin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, "Kirill A. Shutemov" Subject: [PATCH 13/16] page-flags: define PG_uncached behavior on compound pages Date: Thu, 24 Sep 2015 17:51:01 +0300 Message-Id: <1443106264-78075-14-git-send-email-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.5.1 In-Reply-To: <1443106264-78075-1-git-send-email-kirill.shutemov@linux.intel.com> References: <20150921153509.fef7ecdf313ef74307c43b65@linux-foundation.org> <1443106264-78075-1-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 So far, only IA64 uses PG_uncached and only on non-compound pages. Signed-off-by: Kirill A. Shutemov --- include/linux/page-flags.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 31e68a8c2777..5e52cc6a27c3 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -326,7 +326,7 @@ PAGEFLAG_FALSE(Mlocked) __CLEARPAGEFLAG_NOOP(Mlocked) #endif #ifdef CONFIG_ARCH_USES_PG_UNCACHED -PAGEFLAG(Uncached, uncached, PF_ANY) +PAGEFLAG(Uncached, uncached, PF_NO_COMPOUND) #else PAGEFLAG_FALSE(Uncached) #endif -- 2.5.1