From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932956Ab3LIJK6 (ORCPT ); Mon, 9 Dec 2013 04:10:58 -0500 Received: from lgeamrelo01.lge.com ([156.147.1.125]:49911 "EHLO LGEAMRELO01.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760719Ab3LIJIE (ORCPT ); Mon, 9 Dec 2013 04:08:04 -0500 X-AuditID: 9c93017d-b7b46ae000000e86-b7-52a5886feb0e From: Joonsoo Kim To: Andrew Morton Cc: Mel Gorman , Rik van Riel , Rafael Aquini , Naoya Horiguchi , Christoph Lameter , Joonsoo Kim , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Vlastimil Babka , Zhang Yanfei , Joonsoo Kim Subject: [PATCH v2 3/7] mm/mempolicy: correct putback method for isolate pages if failed Date: Mon, 9 Dec 2013 18:10:44 +0900 Message-Id: <1386580248-22431-4-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1386580248-22431-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1386580248-22431-1-git-send-email-iamjoonsoo.kim@lge.com> X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org queue_pages_range() isolates hugetlbfs pages and putback_lru_pages() can't handle these. We should change it to putback_movable_pages(). Naoya said that it is worth going into stable, because it can break in-use hugepage list. Cc: # 3.12 Reviewed-by: Naoya Horiguchi Signed-off-by: Joonsoo Kim diff --git a/mm/mempolicy.c b/mm/mempolicy.c index eca4a31..6d04d37 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1318,7 +1318,7 @@ static long do_mbind(unsigned long start, unsigned long len, if (nr_failed && (flags & MPOL_MF_STRICT)) err = -EIO; } else - putback_lru_pages(&pagelist); + putback_movable_pages(&pagelist); up_write(&mm->mmap_sem); mpol_out: -- 1.7.9.5