Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933093Ab3D3TEq (ORCPT ); Tue, 30 Apr 2013 15:04:46 -0400 Received: from mail-qe0-f41.google.com ([209.85.128.41]:39871 "EHLO mail-qe0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932467Ab3D3TEo (ORCPT ); Tue, 30 Apr 2013 15:04:44 -0400 Date: Tue, 30 Apr 2013 12:04:35 -0700 From: Tejun Heo To: Tim Chen Cc: Christoph Lameter , Andrew Morton , Al Viro , Dave Hansen , Andi Kleen , linux-kernel , linux-mm Subject: Re: [PATCH 1/2] Make the batch size of the percpu_counter configurable Message-ID: <20130430190435.GF19814@mtj.dyndns.org> References: <0000013e5b24d2c5-9b899862-e2fd-4413-8094-4f1e5a0c0f62-000000@email.amazonses.com> <1367339009.27102.174.camel@schen9-DESK> <0000013e5bfd1548-a6ef7962-7b00-495b-8e83-d7a08413e165-000000@email.amazonses.com> <1367344094.27102.182.camel@schen9-DESK> <0000013e5c1377c5-49a8fca5-eb04-4e3a-a507-ce3a47fea685-000000@email.amazonses.com> <1367344522.27102.184.camel@schen9-DESK> <0000013e5c32f7fd-b4bf1b22-7924-42b5-b835-eb2b5926bbf6-000000@email.amazonses.com> <1367348457.27102.197.camel@schen9-DESK> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1367348457.27102.197.camel@schen9-DESK> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 814 Lines: 22 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/