From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f69.google.com (mail-lf0-f69.google.com [209.85.215.69]) by kanga.kvack.org (Postfix) with ESMTP id 22AF06B0069 for ; Thu, 20 Oct 2016 21:08:49 -0400 (EDT) Received: by mail-lf0-f69.google.com with SMTP id x79so10907420lff.2 for ; Thu, 20 Oct 2016 18:08:49 -0700 (PDT) Received: from mail-lf0-x236.google.com (mail-lf0-x236.google.com. [2a00:1450:4010:c07::236]) by mx.google.com with ESMTPS id o189si43882lff.163.2016.10.20.18.08.47 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 20 Oct 2016 18:08:47 -0700 (PDT) Received: by mail-lf0-x236.google.com with SMTP id b75so112940150lfg.3 for ; Thu, 20 Oct 2016 18:08:47 -0700 (PDT) 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 Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Hellwig Cc: Andrew Morton , Jisheng Zhang , Chris Wilson , John Dias , "open list:MEMORY MANAGEMENT" , linux-rt-users@vger.kernel.org, LKML 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 -- 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