linux-kernel - Re: [PATCH 2/8] readahead: make default readahead size a kernel parameter

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]

Message-ID: <20111121100137.GC5084@infradead.org>
Date:	Mon, 21 Nov 2011 05:01:37 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Memory Management List <linux-mm@...ck.org>,
	linux-fsdevel@...r.kernel.org, Ankit Jain <radical@...il.com>,
	Dave Chinner <david@...morbit.com>,
	Christian Ehrhardt <ehrhardt@...ux.vnet.ibm.com>,
	Rik van Riel <riel@...hat.com>,
	Nikanth Karthikesan <knikanth@...e.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: [PATCH 2/8] readahead: make default readahead size a kernel
 parameter

On Mon, Nov 21, 2011 at 05:18:21PM +0800, Wu Fengguang wrote:
> From: Nikanth Karthikesan <knikanth@...e.de>
> 
> Add new kernel parameter "readahead=", which allows user to override
> the static VM_MAX_READAHEAD=128kb.

Is a boot-time paramter really such a good idea?  I would at least make
it a sysctl so that it's run-time controllable, including beeing able
to set it from initscripts.

--
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/