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From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Andrea Righi <arighi@develer.com>,
	Balbir Singh <balbir@linux.vnet.ibm.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Suleiman Souhlal <suleiman@google.com>,
	Greg Thelen <gthelen@google.com>,
	Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
	"Kirill A. Shutemov" <kirill@shutemov.name>,
	Andrew Morton <akpm@linux-foundation.org>,
	containers@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH -mmotm 3/3] memcg: dirty pages instrumentation
Date: Tue, 02 Mar 2010 10:49:05 -0500	[thread overview]
Message-ID: <1267544945.3099.95.camel@localhost.localdomain> (raw)
In-Reply-To: <1267537736.25158.54.camel@laptop>

On Tue, 2010-03-02 at 14:48 +0100, Peter Zijlstra wrote: 
> unsigned long reclaimable_pages(cgroup)
> {
>   if (mem_cgroup_has_dirty_limit(cgroup))
>     return mem_cgroup_page_stat(MEMCG_NR_RECLAIM_PAGES);
>   
>   return global_page_state(NR_FILE_DIRTY) + global_page_state(NR_NFS_UNSTABLE);
> }
> 
> Which raises another question, you should probably rebase on top of
> Trond's patches, which removes BDI_RECLAIMABLE, suggesting you also
> loose MEMCG_NR_RECLAIM_PAGES in favour of the DIRTY+UNSTABLE split.
> 

I'm dropping those patches for now. The main writeback change wasn't too
favourably received by the linux-mm community so I've implemented an
alternative that only changes the NFS layer, and doesn't depend on the
DIRTY+UNSTABLE split.

Cheers
  Trond

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  parent reply	other threads:[~2010-03-02 15:50 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-01 21:23 [PATCH -mmotm 0/3] memcg: per cgroup dirty limit (v3) Andrea Righi
2010-03-01 21:23 ` [PATCH -mmotm 1/3] memcg: dirty memory documentation Andrea Righi
2010-03-01 21:23 ` [PATCH -mmotm 2/3] memcg: dirty pages accounting and limiting infrastructure Andrea Righi
2010-03-02  0:20   ` KAMEZAWA Hiroyuki
2010-03-02 10:04   ` Kirill A. Shutemov
2010-03-02 11:00     ` Andrea Righi
2010-03-02 13:02   ` Balbir Singh
2010-03-02 21:50     ` Andrea Righi
2010-03-02 18:08   ` Greg Thelen
2010-03-02 22:24     ` Andrea Righi
2010-03-01 21:23 ` [PATCH -mmotm 3/3] memcg: dirty pages instrumentation Andrea Righi
2010-03-01 22:02   ` Vivek Goyal
2010-03-01 22:18     ` Andrea Righi
2010-03-02 15:05       ` Vivek Goyal
2010-03-02 22:22         ` Andrea Righi
2010-03-02 23:59           ` Vivek Goyal
2010-03-03 11:47             ` Andrea Righi
2010-03-03 11:56               ` Andrea Righi
2010-03-02  0:23   ` KAMEZAWA Hiroyuki
2010-03-02  8:01     ` Andrea Righi
2010-03-02  8:12       ` Daisuke Nishimura
2010-03-02  8:23       ` KAMEZAWA Hiroyuki
2010-03-02 13:50         ` Balbir Singh
2010-03-02 22:18           ` Andrea Righi
2010-03-02 23:21             ` Daisuke Nishimura
2010-03-03 11:48               ` Andrea Righi
2010-03-02 10:11   ` Kirill A. Shutemov
2010-03-02 11:02     ` Andrea Righi
2010-03-02 11:09       ` Kirill A. Shutemov
2010-03-02 11:34         ` Andrea Righi
2010-03-02 13:47   ` Balbir Singh
2010-03-02 13:56     ` Kirill A. Shutemov
2010-03-02 13:48   ` Peter Zijlstra
2010-03-02 15:26     ` Balbir Singh
2010-03-02 15:49     ` Trond Myklebust [this message]
2010-03-02 22:14     ` Andrea Righi
2010-03-03 10:07       ` Peter Zijlstra
2010-03-03 12:05         ` Andrea Righi
2010-03-03  2:12   ` Daisuke Nishimura
2010-03-03  3:29     ` KAMEZAWA Hiroyuki
2010-03-03  6:01       ` Daisuke Nishimura
2010-03-03  6:15         ` KAMEZAWA Hiroyuki
2010-03-03  8:21           ` KAMEZAWA Hiroyuki
2010-03-03 11:50             ` Andrea Righi
2010-03-03 22:03             ` Andrea Righi
2010-03-03 23:25               ` Daisuke Nishimura
2010-03-04  3:45               ` KAMEZAWA Hiroyuki

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