From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with ESMTP id 638CF6B0083 for ; Wed, 17 Mar 2010 10:18:34 -0400 (EDT) Subject: Re: [PATCH 2/5] tmpfs: mpol=bind:0 don't cause mount error. From: Lee Schermerhorn In-Reply-To: <20100316144929.4C4B.A69D9226@jp.fujitsu.com> References: <201003122353.o2CNrC56015250@imap1.linux-foundation.org> <20100316143406.4C45.A69D9226@jp.fujitsu.com> <20100316144929.4C4B.A69D9226@jp.fujitsu.com> Content-Type: text/plain Date: Wed, 17 Mar 2010 10:17:17 -0400 Message-Id: <1268835437.4773.42.camel@useless.americas.hpqcorp.net> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: KOSAKI Motohiro Cc: LKML , kiran@scalex86.org, cl@linux-foundation.org, hugh.dickins@tiscali.co.uk, mel@csn.ul.ie, stable@kernel.org, linux-mm , akpm@linux-foundation.org List-ID: On Tue, 2010-03-16 at 14:50 +0900, KOSAKI Motohiro wrote: > Currently, following mount operation cause mount error. > > % mount -t tmpfs -ompol=bind:0 none /tmp > > Because commit 71fe804b6d5 (mempolicy: use struct mempolicy pointer in > shmem_sb_info) corrupted MPOL_BIND parse code. > > This patch restore the needed one. > > Signed-off-by: KOSAKI Motohiro > Cc: Ravikiran Thirumalai > Cc: Christoph Lameter > Cc: Mel Gorman > Cc: Lee Schermerhorn > Cc: Hugh Dickins > Cc: There's a trailing space in the patch, but except for that: Acked-by: Lee Schermerhorn > --- > mm/mempolicy.c | 10 +++++++--- > 1 files changed, 7 insertions(+), 3 deletions(-) > > diff --git a/mm/mempolicy.c b/mm/mempolicy.c > index 25a0c0f..3f77062 100644 > --- a/mm/mempolicy.c > +++ b/mm/mempolicy.c > @@ -2220,9 +2220,13 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context) > if (!nodelist) > err = 0; > goto out; > - /* > - * case MPOL_BIND: mpol_new() enforces non-empty nodemask. > - */ > + case MPOL_BIND: > + /* trailing space ^ > + * Insist on a nodelist > + */ > + if (!nodelist) > + goto out; > + err = 0; > } > > mode_flags = 0; -- 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