linux-kernel - Re: [PATCH v6 0/9] memcg: per cgroup dirty page accounting

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 15 Mar 2011 11:54:51 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Greg Thelen <gthelen@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	containers@...ts.osdl.org, linux-fsdevel@...r.kernel.org,
	Andrea Righi <arighi@...eler.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Daisuke Nishimura <nishimura@....nes.nec.co.jp>,
	Minchan Kim <minchan.kim@...il.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Ciju Rajan K <ciju@...ux.vnet.ibm.com>,
	David Rientjes <rientjes@...gle.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Chad Talbott <ctalbott@...gle.com>,
	Justin TerAvest <teravest@...gle.com>,
	Vivek Goyal <vgoyal@...hat.com>
Subject: Re: [PATCH v6 0/9] memcg: per cgroup dirty page accounting

On Mon, 14 Mar 2011 19:51:22 -0700
Greg Thelen <gthelen@...gle.com> wrote:

> On Mon, Mar 14, 2011 at 6:56 PM, KAMEZAWA Hiroyuki
> <kamezawa.hiroyu@...fujitsu.com> wrote:
> > On Mon, 14 Mar 2011 11:29:17 -0700
> > Greg Thelen <gthelen@...gle.com> wrote:
> >
> >> On Fri, Mar 11, 2011 at 5:10 PM, Andrew Morton
> The foreign dirtier issue is all about identifying the memcg (or
> possibly multiple bdi) that need balancing.    If the foreign dirtier
> issue is not important then we can focus on identifying inodes to
> writeback that will lower the current's memcg dirty usage.  I am fine
> ignoring the foreign dirtier issue for now and breaking the problem
> into smaller pieces.
> 
ok.

> I think this can be done with out any additional state.  Can just scan
> the memcg lru to find dirty file pages and thus inodes to pass to
> sync_inode(), or some other per-inode writeback routine?
> 

I think it works, finding inodes to be cleaned by LRU scanning.

Thanks,
-Kame

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/