linux-kernel - Re: [PATCH] sysctl: vfs_cache

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Message-ID: <45FF6189.9080508@zytor.com>
Date:	Mon, 19 Mar 2007 21:22:33 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	"J.H." <warthog9@...nel.org>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sysctl: vfs_cache_divisor

Randy Dunlap wrote:
>>
>> The we duplicate all the relevant /proc knobs:
>>
>> cat /proc/sys/vm/dirty_ratio
>> 30
>> cat /proc/sys/vm/hires-dirty_ratio/
>> 300000
>>
>> Or we do something else ;)
> 
> Sounds better.  I wasn't very keen on the userspace interface that this
> exposed.  Will look at those.
> 

Okay... may be I could throw a spanner in the machinery, and suggest 
another option: perhaps we should add a way to do sysctl which can 
handle fractional (fixed-point) values... more coherent/detailed message 
tomorrow.

	-hpa
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