linux-kernel - Re: [PATCH -mmotm 3/4] memcg: dirty pages accounting and limiting infrastructure

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, 9 Mar 2010 09:20:54 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Daisuke Nishimura <nishimura@....nes.nec.co.jp>
Cc:	Andrea Righi <arighi@...eler.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Trond Myklebust <trond.myklebust@....uio.no>,
	Suleiman Souhlal <suleiman@...gle.com>,
	Greg Thelen <gthelen@...gle.com>,
	"Kirill A. Shutemov" <kirill@...temov.name>,
	Andrew Morton <akpm@...ux-foundation.org>,
	containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH -mmotm 3/4] memcg: dirty pages accounting and limiting
 infrastructure

On Tue, 9 Mar 2010 09:18:45 +0900
Daisuke Nishimura <nishimura@....nes.nec.co.jp> wrote:

> On Mon, 8 Mar 2010 17:31:00 +0900, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:
> > On Mon, 8 Mar 2010 17:07:11 +0900
> > Daisuke Nishimura <nishimura@....nes.nec.co.jp> wrote:

> > Hmm...accepatable ? (sounds it's in error-range)
> > 
> > BTW, why local_irq_disable() ? 
> > local_irq_save()/restore() isn't better ?
> > 
> I don't have any strong reason. All of lock_page_cgroup() is *now* called w/o irq disabled,
> so I used just disable()/enable() instead of save()/restore().

My point is, this will be used under treelock soon.

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/