linux-kernel - Re: [patch 1/4] Make the per cpu reserve configurable

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] [day] [month] [year] [list]

Date:	Sat, 20 Sep 2008 18:15:13 -0500
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
CC:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, jeremy@...p.org, ebiederm@...ssion.com,
	travis@....com, herbert@...dor.apana.org.au, xemul@...nvz.org,
	penberg@...helsinki.fi
Subject: Re: [patch 1/4] Make the per cpu reserve configurable

KAMEZAWA Hiroyuki wrote:
> Is this PERCPU_MODULE_RESERVE default size is fixex to 8192 bytes
> both on 32bit-arch and 64bit-arch ?
>   
Yes.
> How about enlarging this to twice on 64bit arch now ?
>
> sorry for noise.
No actually a good idea to discuss the limit here. Maybe use 10000 for 32 bit and 15000 for 64 bit? Many percpu variables are counters that may be integers.



--
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/