From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rafael Aquini Subject: Re: [PATCH 7/9] Revert "mm: have order > 0 compaction start off where it left" Date: Fri, 21 Sep 2012 14:52:43 -0300 Message-ID: <20120921175242.GG6665@optiplex.redhat.com> References: <1348224383-1499-1-git-send-email-mgorman@suse.de> <1348224383-1499-8-git-send-email-mgorman@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Andrew Morton , Richard Davies , Shaohua Li , Rik van Riel , Avi Kivity , QEMU-devel , KVM , Linux-MM , LKML To: Mel Gorman Return-path: Content-Disposition: inline In-Reply-To: <1348224383-1499-8-git-send-email-mgorman@suse.de> Sender: owner-linux-mm@kvack.org List-Id: kvm.vger.kernel.org On Fri, Sep 21, 2012 at 11:46:21AM +0100, Mel Gorman wrote: > This reverts commit 7db8889a (mm: have order > 0 compaction start off > where it left) and commit de74f1cc (mm: have order > 0 compaction start > near a pageblock with free pages). These patches were a good idea and > tests confirmed that they massively reduced the amount of scanning but > the implementation is complex and tricky to understand. A later patch > will cache what pageblocks should be skipped and reimplements the > concept of compact_cached_free_pfn on top for both migration and > free scanners. > > Signed-off-by: Mel Gorman > Acked-by: Rik van Riel > --- Acked-by: Rafael Aquini -- 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