From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <489888FB.9060401@linux-foundation.org> Date: Tue, 05 Aug 2008 12:08:11 -0500 From: Christoph Lameter MIME-Version: 1.0 Subject: Re: [RFC:Patch: 000/008](memory hotplug) rough idea of pgdat removing References: <20080802090335.D6C8.E1E9C6FF@jp.fujitsu.com> <4897032E.5020601@linux-foundation.org> <20080805150434.BF32.E1E9C6FF@jp.fujitsu.com> <20080805111450.GE20243@csn.ul.ie> In-Reply-To: <20080805111450.GE20243@csn.ul.ie> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Mel Gorman Cc: Yasunori Goto , Badari Pulavarty , Andrew Morton , linux-mm , Linux Kernel ML List-ID: Mel Gorman wrote: > Maybe I am missing something, but what is wrong with stop_machine during > memory hot-remove? Reclaim can sleep while going down a zonelist. There would need to be some form of synchronization to avoid removing a zone from the zonelist that we are just scanning. -- 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