From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f41.google.com (mail-pa0-f41.google.com [209.85.220.41]) by kanga.kvack.org (Postfix) with ESMTP id D778E82F66 for ; Thu, 24 Sep 2015 10:51:34 -0400 (EDT) Received: by pacfv12 with SMTP id fv12so76432328pac.2 for ; Thu, 24 Sep 2015 07:51:34 -0700 (PDT) Received: from mga01.intel.com (mga01.intel.com. [192.55.52.88]) by mx.google.com with ESMTP id dl1si18899194pbb.159.2015.09.24.07.51.30 for ; Thu, 24 Sep 2015 07:51:31 -0700 (PDT) From: "Kirill A. Shutemov" Subject: [PATCH 09/16] page-flags: define PG_reserved behavior on compound pages Date: Thu, 24 Sep 2015 17:50:57 +0300 Message-Id: <1443106264-78075-10-git-send-email-kirill.shutemov@linux.intel.com> 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: owner-linux-mm@kvack.org List-ID: 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" As far as I can see there's no users of PG_reserved on compound pages. Let's use PF_NO_COMPOUND here. Signed-off-by: Kirill A. Shutemov --- include/linux/page-flags.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index adaa2b39f471..5ba8130fffb5 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -264,7 +264,8 @@ PAGEFLAG(Pinned, pinned, PF_NO_COMPOUND) PAGEFLAG(SavePinned, savepinned, PF_NO_COMPOUND); PAGEFLAG(Foreign, foreign, PF_NO_COMPOUND); -PAGEFLAG(Reserved, reserved, PF_ANY) __CLEARPAGEFLAG(Reserved, reserved, PF_ANY) +PAGEFLAG(Reserved, reserved, PF_NO_COMPOUND) + __CLEARPAGEFLAG(Reserved, reserved, PF_NO_COMPOUND) PAGEFLAG(SwapBacked, swapbacked, PF_ANY) __CLEARPAGEFLAG(SwapBacked, swapbacked, PF_ANY) __SETPAGEFLAG(SwapBacked, swapbacked, PF_ANY) -- 2.5.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org