From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx124.postini.com [74.125.245.124]) by kanga.kvack.org (Postfix) with SMTP id 096236B0032 for ; Fri, 2 Aug 2013 15:13:16 -0400 (EDT) Received: from /spool/local by e28smtp02.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sat, 3 Aug 2013 00:33:49 +0530 Received: from d28relay05.in.ibm.com (d28relay05.in.ibm.com [9.184.220.62]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id C0227394004E for ; Sat, 3 Aug 2013 00:43:03 +0530 (IST) Received: from d28av02.in.ibm.com (d28av02.in.ibm.com [9.184.220.64]) by d28relay05.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r72JD73s44695756 for ; Sat, 3 Aug 2013 00:43:07 +0530 Received: from d28av02.in.ibm.com (loopback [127.0.0.1]) by d28av02.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r72JD9AL031942 for ; Sat, 3 Aug 2013 05:13:10 +1000 Message-ID: <51FC04C2.70100@linux.vnet.ibm.com> Date: Fri, 02 Aug 2013 14:13:06 -0500 From: Nathan Fontenot MIME-Version: 1.0 Subject: Re: [PATCH 3/8] Add all memory via sysfs probe interface at once References: <51F01E06.6090800@linux.vnet.ibm.com> <51F01EFB.6070207@linux.vnet.ibm.com> <20130802023259.GC1680@concordia> In-Reply-To: <20130802023259.GC1680@concordia> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Michael Ellerman Cc: linux-mm , isimatu.yasuaki@jp.fujitsu.com, linuxppc-dev@lists.ozlabs.org, LKML , Greg Kroah-Hartman On 08/01/2013 09:32 PM, Michael Ellerman wrote: > On Wed, Jul 24, 2013 at 01:37:47PM -0500, Nathan Fontenot wrote: >> When doing memory hot add via the 'probe' interface in sysfs we do not >> need to loop through and add memory one section at a time. I think this >> was originally done for powerpc, but is not needed. This patch removes >> the loop and just calls add_memory for all of the memory to be added. > > Looks like memory hot add is supported on ia64, x86, sh, powerpc and > s390. Have you tested on any? I have tested on powerpc. I would love to say I tested on the other platforms... but I haven't. I should be able to get a x86 box to test on but the other architectures may not be possible. -Nathan -- 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