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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Hugh Dickins <hugh.dickins@tiscali.co.uk>, lee.schermerhorn@hp.com
Cc: kosaki.motohiro@jp.fujitsu.com,
	LKML <linux-kernel@vger.kernel.org>,
	kiran@scalex86.org, cl@linux-foundation.org, mel@csn.ul.ie,
	stable@kernel.org, linux-mm <linux-mm@kvack.org>,
	akpm@linux-foundation.org
Subject: Re: [PATCH 3/5] tmpfs: handle MPOL_LOCAL mount option properly
Date: Thu, 18 Mar 2010 08:52:23 +0900 (JST)	[thread overview]
Message-ID: <20100318084915.8723.A69D9226@jp.fujitsu.com> (raw)
In-Reply-To: <alpine.LSU.2.00.1003171619410.29003@sister.anvils>

> On Tue, 16 Mar 2010, KOSAKI Motohiro wrote:
> 
> > 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@jp.fujitsu.com>
> > Cc: Ravikiran Thirumalai <kiran@scalex86.org>
> 
> Thank you both for finding and fixing these mpol embarrassments.
> 
> But if this "mpol=local" feature was never documented (not even in the
> commit log), has been broken since birth 20 months ago, and nobody has
> noticed: wouldn't it be better to save a little bloat and just rip it out?

I have no objection if lee agreed, lee?
Of cource, if we agree it, we can make the new patch soon :)



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  reply	other threads:[~2010-03-17 23:52 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <201003122353.o2CNrC56015250@imap1.linux-foundation.org>
2010-03-16  5:47 ` + tmpfs-fix-oops-on-remounts-with-mpol=default.patch added to -mm tree KOSAKI Motohiro
2010-03-16  5:49   ` [PATCH 1/5] tmpfs: fix oops on mounts with mpol=default KOSAKI Motohiro
2010-03-17 14:16     ` Lee Schermerhorn
2010-03-16  5:50   ` [PATCH 2/5] tmpfs: mpol=bind:0 don't cause mount error KOSAKI Motohiro
2010-03-17 14:17     ` Lee Schermerhorn
2010-03-16  5:51   ` [PATCH 3/5] tmpfs: handle MPOL_LOCAL mount option properly KOSAKI Motohiro
2010-03-17 14:25     ` Lee Schermerhorn
2010-03-17 16:26     ` Hugh Dickins
2010-03-17 23:52       ` KOSAKI Motohiro [this message]
2010-03-18  1:55         ` Lee Schermerhorn
2010-03-18 21:21           ` Hugh Dickins
2010-03-16  5:52   ` [PATCH 4/5] tmpfs: cleanup mpol_parse_str() KOSAKI Motohiro
2010-03-17 14:25     ` Lee Schermerhorn
2010-03-16  5:53   ` [PATCH 5/5] doc: add the documentation for mpol=local KOSAKI Motohiro
2010-03-17 14:42     ` Lee Schermerhorn

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