linux-kernel - [PATCH 3/5] tmpfs: handle MPOL

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Message-Id: <20100316145022.4C4E.A69D9226@jp.fujitsu.com>
Date:	Tue, 16 Mar 2010 14:51:17 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	kosaki.motohiro@...fujitsu.com, kiran@...lex86.org,
	cl@...ux-foundation.org, hugh.dickins@...cali.co.uk,
	lee.schermerhorn@...com, mel@....ul.ie, stable@...nel.org,
	linux-mm <linux-mm@...ck.org>, akpm@...ux-foundation.org
Subject: [PATCH 3/5] tmpfs: handle MPOL_LOCAL mount option properly

commit 71fe804b6d5 (mempolicy: use struct mempolicy pointer in
shmem_sb_info) added mpol=local mount option. but its feature is
broken since it was born. because such code always return 1 (i.e.
mount failure).

This patch fixes it.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc: Ravikiran Thirumalai <kiran@...lex86.org>
Cc: Christoph Lameter <cl@...ux-foundation.org>
Cc: Mel Gorman <mel@....ul.ie>
Cc: Lee Schermerhorn <lee.schermerhorn@...com>
Cc: Hugh Dickins <hugh.dickins@...cali.co.uk>
Cc: <stable@...nel.org>
---
 mm/mempolicy.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 3f77062..5c197d5 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2212,6 +2212,7 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
 		if (nodelist)
 			goto out;
 		mode = MPOL_PREFERRED;
+		err = 0;
 		break;
 	case MPOL_DEFAULT:
 		/*
-- 
1.6.5.2



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