Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757196AbcJUBIv (ORCPT ); Thu, 20 Oct 2016 21:08:51 -0400 Received: from mail-lf0-f51.google.com ([209.85.215.51]:32800 "EHLO mail-lf0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753012AbcJUBIs (ORCPT ); Thu, 20 Oct 2016 21:08:48 -0400 MIME-Version: 1.0 In-Reply-To: <1476773771-11470-1-git-send-email-hch@lst.de> References: <1476773771-11470-1-git-send-email-hch@lst.de> From: Joel Fernandes Date: Thu, 20 Oct 2016 18:08:46 -0700 Message-ID: Subject: Re: [RFC] reduce latency in __purge_vmap_area_lazy To: Christoph Hellwig Cc: Andrew Morton , Jisheng Zhang , Chris Wilson , John Dias , "open list:MEMORY MANAGEMENT" , linux-rt-users@vger.kernel.org, LKML Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 519 Lines: 14 On Mon, Oct 17, 2016 at 11:56 PM, Christoph Hellwig wrote: > Hi all, > > this is my spin at sorting out the long lock hold times in > __purge_vmap_area_lazy. It is based on the patch from Joel sent this > week. I don't have any good numbers for it, but it survived an > xfstests run on XFS which is a significant vmalloc user. The > changelogs could still be improved as well, but I'd rather get it > out quickly for feedback and testing. All patches look great to me, and thanks a lot. Regards, Joel