From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx203.postini.com [74.125.245.203]) by kanga.kvack.org (Postfix) with SMTP id ABF266B00B0 for ; Tue, 27 Nov 2012 18:50:10 -0500 (EST) Received: by mail-pa0-f41.google.com with SMTP id bj3so5458436pad.14 for ; Tue, 27 Nov 2012 15:50:10 -0800 (PST) Date: Tue, 27 Nov 2012 15:50:07 -0800 (PST) From: David Rientjes Subject: Re: [patch] mm: introduce a common interface for balloon pages mobility fix In-Reply-To: Message-ID: References: <50a6581a.V3MmP/x4DXU9jUhJ%fengguang.wu@intel.com> <20121116201035.GA18145@t510.redhat.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Rafael Aquini Cc: kbuild test robot , Andrew Morton , linux-mm@kvack.org, Michal Hocko On Fri, 16 Nov 2012, David Rientjes wrote: > > This is already addressed at v12 revision which is on mmtom queue already. > > > > Ah, it was merged yesterday but it depends on TRANSPARENT_HUGEPAGE rather > than COMPACTION. Why? Surely thp is not the only thing that benefits > from keeping memory defragmented for high-order allocs. > Ping on this? The direct question was why depend on TRANSPARENT_HUGEPAGE rather than COMPACTION, i.e. why do only order-9 allocations benefit from defragmented memory rather than all high order allocations? Thanks. -- 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