From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH part5 0/7] Arrange hotpluggable memory as ZONE_MOVABLE. Date: Mon, 12 Aug 2013 17:14:54 -0400 Message-ID: <20130812211454.GE8288@mtj.dyndns.org> References: <52090D7F.6060600@gmail.com> <20130812164650.GN15892@htj.dyndns.org> <52092811.3020105@gmail.com> <20130812202029.GB8288@mtj.dyndns.org> <3908561D78D1C84285E8C5FCA982C28F31CB74A1@ORSMSX106.amr.corp.intel.com> <20130812205456.GC8288@mtj.dyndns.org> <52094C30.7070204@zytor.com> <20130812210852.GD8288@mtj.dyndns.org> <52094FB9.1030508@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <52094FB9.1030508@zytor.com> Sender: owner-linux-mm@kvack.org To: "H. Peter Anvin" Cc: Yinghai Lu , "Luck, Tony" , Tang Chen , Tang Chen , "Moore, Robert" , "Zheng, Lv" , "rjw@sisk.pl" , "lenb@kernel.org" , "tglx@linutronix.de" , "mingo@elte.hu" , "akpm@linux-foundation.org" , "trenn@suse.de" , "jiang.liu@huawei.com" , "wency@cn.fujitsu.com" , "laijs@cn.fujitsu.com" , "isimatu.yasuaki@jp.fujitsu.com" , "izumi.taku@jp.fujitsu.com" , "mgorman@suse.de" , "minchan@kernel.org" , "mina86@mina86.com" , "gong.chen@linux.intel.com" List-Id: linux-acpi@vger.kernel.org On Mon, Aug 12, 2013 at 02:12:25PM -0700, H. Peter Anvin wrote: > The BRK is what we know is free. Beyond that point you need > understanding of the memory map. Hmmm? All this happens after e820. We *know* which memory is useable and free. We just don't know which nodes they belong to. -- tejun -- 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