linux-kernel - Re: [PATCH 1/2] Make the batch size of the percpu

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, 30 Apr 2013 12:04:35 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Tim Chen <tim.c.chen@...ux.intel.com>
Cc:	Christoph Lameter <cl@...ux.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Dave Hansen <dave.hansen@...el.com>,
	Andi Kleen <ak@...ux.intel.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>
Subject: Re: [PATCH 1/2] Make the batch size of the percpu_counter
 configurable

Hello,

On Tue, Apr 30, 2013 at 12:00:57PM -0700, Tim Chen wrote:
> Will it be acceptable if I make the per cpu counter list under
> CONFIG_CPU_HOTPLUG default? I will need the list to go through all
> counters to update the batch value sizes.  The alternative will be to
> make the configurable batch option only available under
> CONFIG_HOTPLUG_CPU.

I haven't looked at the patch but making cpu counter list default
regardless of hotplug cpu should be okay.  Most modern configurations,
even most embedded ones, enable CPU hotplug for PM anyway.

Thanks.

-- 
tejun
--
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/