linux-kernel - Re: [RFC][PATCH v7 11/14] memcg: create support routines for writeback

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 for Android: free password hash cracker in your pocket

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

Message-Id: <20110513190458.ddc0fbe2.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Fri, 13 May 2011 19:04:58 +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>,
	Vivek Goyal <vgoyal@...hat.com>,
	Dave Chinner <david@...morbit.com>
Subject: Re: [RFC][PATCH v7 11/14] memcg: create support routines for
 writeback

On Fri, 13 May 2011 01:47:50 -0700
Greg Thelen <gthelen@...gle.com> wrote:

> Introduce memcg routines to assist in per-memcg writeback:
> 
> - mem_cgroups_over_bground_dirty_thresh() determines if any cgroups need
>   writeback because they are over their dirty memory threshold.
> 
> - should_writeback_mem_cgroup_inode() determines if an inode is
>   contributing pages to an over-limit memcg.
> 
> - mem_cgroup_writeback_done() is used periodically during writeback to
>   update memcg writeback data.
> 
> Signed-off-by: Greg Thelen <gthelen@...gle.com>

Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

I'm okay with the bitmap..then, problem will be when set/clear wbc->for_cgroup...


--
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/