Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753278AbdGYTkb (ORCPT ); Tue, 25 Jul 2017 15:40:31 -0400 Received: from mail-qk0-f170.google.com ([209.85.220.170]:38727 "EHLO mail-qk0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751100AbdGYTk3 (ORCPT ); Tue, 25 Jul 2017 15:40:29 -0400 Date: Tue, 25 Jul 2017 15:40:27 -0400 From: Josef Bacik To: Dennis Zhou Cc: Tejun Heo , Christoph Lameter , Josef Bacik , linux-kernel@vger.kernel.org, linux-mm@kvack.org, kernel-team@fb.com, Dennis Zhou Subject: Re: [PATCH v2 21/23] percpu: use metadata blocks to update the chunk contig hint Message-ID: <20170725194026.GU18880@destiny> References: <20170724230220.21774-1-dennisz@fb.com> <20170724230220.21774-22-dennisz@fb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170724230220.21774-22-dennisz@fb.com> User-Agent: Mutt/1.8.0 (2017-02-23) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 462 Lines: 15 On Mon, Jul 24, 2017 at 07:02:18PM -0400, Dennis Zhou wrote: > From: "Dennis Zhou (Facebook)" > > The largest free region will either be a block level contig hint or an > aggregate over the left_free and right_free areas of blocks. This is a > much smaller set of free areas that need to be checked than a full > traverse. > > Signed-off-by: Dennis Zhou Reviewed-by: Josef Bacik Thanks, Josef