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>] [day] [month] [year] [list]
Message-ID: <47028F85.4030708@redhat.com>
Date:	Tue, 02 Oct 2007 14:35:49 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Fengguang Wu <wfg@...l.ustc.edu.cn>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Greg KH <gregkh@...e.de>, Chakri n <chakriin5@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Krzysztof Oledzki <olel@....pl>,
	linux-pm <linux-pm@...ts.linux-foundation.org>,
	lkml <linux-kernel@...r.kernel.org>,
	richard kennedy <richard@....demon.co.uk>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH] writeback: avoid possible balance_dirty_pages() lockup
 on a light-load bdi

On 10/02/2007 09:27 AM, Fengguang Wu wrote:
> On Tue, Oct 02, 2007 at 08:13:27PM +0800, Fengguang Wu wrote:
> [...]
>> One more serious problem is, a busy writer could also drain all the
>> dirty pages and make (nr_writeback == dirty_limit+1MB). In that case,
>> I suspect the light-load sdb writer still have good chance to
>> make progress(need confirmation).
> 
> Well it seems to be a really tricky issue without knowing the per-bdi
> numbers. Maybe we could just encourage users to upgrade to 2.6.24...
> 

Yeah, and if that doesn't work there's always 2.6.25... :/

-
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ