From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f175.google.com (mail-pd0-f175.google.com [209.85.192.175]) by kanga.kvack.org (Postfix) with ESMTP id 846746B0078 for ; Mon, 9 Dec 2013 04:08:04 -0500 (EST) Received: by mail-pd0-f175.google.com with SMTP id w10so4854685pde.20 for ; Mon, 09 Dec 2013 01:08:04 -0800 (PST) Received: from LGEAMRELO01.lge.com (lgeamrelo01.lge.com. [156.147.1.125]) by mx.google.com with ESMTP id n8si6655856pax.247.2013.12.09.01.08.01 for ; Mon, 09 Dec 2013 01:08:03 -0800 (PST) From: 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> In-Reply-To: <1386580248-22431-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1386580248-22431-1-git-send-email-iamjoonsoo.kim@lge.com> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- 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