From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757626Ab2IDUuG (ORCPT ); Tue, 4 Sep 2012 16:50:06 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:53801 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750852Ab2IDUuE (ORCPT ); Tue, 4 Sep 2012 16:50:04 -0400 Date: Tue, 4 Sep 2012 13:50:03 -0700 From: Andrew Morton To: benjamin.gaignard@linaro.org Cc: linux-kernel@vger.kernel.org, ying.huang@intel.com, imre.deak@nokia.com, Benjamin Gaignard Subject: Re: [PATCH] genalloc: add best fit algorithm Message-Id: <20120904135003.face8508.akpm@linux-foundation.org> In-Reply-To: <1346761229-27228-1-git-send-email-benjamin.gaignard@linaro.org> References: <1346761229-27228-1-git-send-email-benjamin.gaignard@linaro.org> X-Mailer: Sylpheed 3.0.2 (GTK+ 2.20.1; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 4 Sep 2012 14:20:29 +0200 benjamin.gaignard@linaro.org wrote: > Allow genalloc to use another algorithm than first-fit one. > Add a best-fit algorithm. This changelog give nobody any reason to merge the patch. Why was this change made? What are its benefits? If it's a performance optimisation then describe the tescase and provide numbers. If it is to address some fragmentation issue then fully describe that issue, describe the test case and provide testing results.