linux-kernel - Re: [PATCH 4/5] writeback: per task dirty rate limit

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, 16 Aug 2011 15:22:51 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	Andrea Righi <andrea@...terlinux.com>
Cc:	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jan Kara <jack@...e.cz>, Christoph Hellwig <hch@....de>,
	Dave Chinner <david@...morbit.com>,
	Greg Thelen <gthelen@...gle.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Vivek Goyal <vgoyal@...hat.com>, linux-mm <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/5] writeback: per task dirty rate limit

> > +	if (!bdi->dirty_exceeded)
> > +		ratelimit = current->nr_dirtied_pause;
> > +	else
> > +		ratelimit = min(ratelimit, 32 >> (PAGE_SHIFT - 10));
> 
> Usage of ratelimit before init?
> 
> Maybe:
> 
> 	ratelimit = current->nr_dirtied_pause;
> 	if (bdi->dirty_exceeded)
> 		ratelimit = min(ratelimit, 32 >> (PAGE_SHIFT - 10));

Good catch, thanks! That's indeed the original form. I changed it to
make the code more aligned...

Thanks,
Fengguang
--
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/