From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with SMTP id A42F86B01EE for ; Thu, 13 May 2010 22:12:33 -0400 (EDT) Date: Fri, 14 May 2010 10:08:11 +0800 From: Shaohui Zheng Subject: Re: [RFC, 6/7] NUMA hotplug emulator Message-ID: <20100514020811.GD4381@shaohui> References: <20100513120016.GG2169@shaohui> <20100513165603.GC25212@suse.de> <20100514014902.GB4381@shaohui> <20100514020526.GB7678@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100514020526.GB7678@localhost> Sender: owner-linux-mm@kvack.org To: Wu Fengguang Cc: Greg KH , akpm@linux-foundation.org, linux-mm@kvack.org, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Andi Kleen , Hidetoshi Seto , Heiko Carstens , linux-kernel@vger.kernel.org, haicheng.li@linux.intel.com, shaohui.zheng@linux.intel.com List-ID: On Fri, May 14, 2010 at 10:05:26AM +0800, Wu Fengguang wrote: > On Fri, May 14, 2010 at 09:49:02AM +0800, Zheng, Shaohui wrote: > > On Thu, May 13, 2010 at 09:56:03AM -0700, Greg KH wrote: > > > On Thu, May 13, 2010 at 08:00:16PM +0800, Shaohui Zheng wrote: > > > > hotplug emulator:extend memory probe interface to support NUMA > > > > > > > > Extend memory probe interface to support an extra paramter nid, > > > > the reserved memory can be added into this node if node exists. > > > > > > > > Add a memory section(128M) to node 3(boots with mem=1024m) > > > > > > > > echo 0x40000000,3 > memory/probe > > > > > > > > And more we make it friendly, it is possible to add memory to do > > > > > > > > echo 3g > memory/probe > > > > echo 1024m,3 > memory/probe > > > > > > > > It maintains backwards compatibility. > > > > > > Again, please document this. > > > > > > thanks, > > > > > > greg k-h > > > > okay > > Shaohui, it's useless to document a wrong interface. > Better to fix the interface _first_, then document becomes meaningful. Fenggunag, greg reminds me to add the docment into Documentation/ABI/, We miss it in the RFC. Currently, the interface format is not finalized, when we decide the final interface, the last step is documenting it in. > > Thanks, > Fengguang -- Thanks & Regards, Shaohui -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org