linux-kernel - Re: [PATCH block/for-linus 1/3] block: replace icq->changed with icq->flags

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:	Wed, 15 Feb 2012 09:09:37 +0800
From:	Shaohua Li <shaohua.li@...el.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	Jens Axboe <axboe@...nel.dk>, Vivek Goyal <vgoyal@...hat.com>,
	lkml <linux-kernel@...r.kernel.org>,
	Knut Petersen <Knut_Petersen@...nline.de>, mroos@...ux.ee,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH block/for-linus 1/3] block: replace icq->changed with icq->flags

2012/2/15 Tejun Heo <tj@...nel.org>:
> icq->changed was used for ICQ_*_CHANGED bits.  Rename it to flags and
> access it under ioc->lock instead of using atomic bitops.
> ioc_get_changed() is added so that the changed part can be fetched and
> cleared as before.
>
> icq->flags will be used to carry other flags.
>
> Signed-off-by: Tejun Heo <tj@...nel.org>
> ---
> Jens, these three patches are to fix the swap heavy workload
> regression reported by Shaohua.
>
> Shaohua, I ended up changing the second patch, which shouldn't change
> anything but it would be great if you can verify this series once
> more.
yes, confirmed the patches fix the regression. Thanks for fixing it.
Tested-by: Shaohua Li <shaohua.li@...el.com>
--
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/