From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f198.google.com (mail-qt0-f198.google.com [209.85.216.198]) by kanga.kvack.org (Postfix) with ESMTP id 7F5D36B027C for ; Wed, 26 Oct 2016 15:12:14 -0400 (EDT) Received: by mail-qt0-f198.google.com with SMTP id p53so8416428qtp.1 for ; Wed, 26 Oct 2016 12:12:14 -0700 (PDT) Received: from mx6-phx2.redhat.com (mx6-phx2.redhat.com. [209.132.183.39]) by mx.google.com with ESMTPS id o71si2007803qka.310.2016.10.26.12.12.12 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 26 Oct 2016 12:12:13 -0700 (PDT) Date: Wed, 26 Oct 2016 15:11:42 -0400 (EDT) From: Bob Peterson Message-ID: <1536202752.13054466.1477509102622.JavaMail.zimbra@redhat.com> In-Reply-To: References: <996124132.13035408.1477505043741.JavaMail.zimbra@redhat.com> Subject: Re: CONFIG_VMAP_STACK, on-stack struct, and wake_up_bit MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Linus Torvalds Cc: Andy Lutomirski , Andreas Gruenbacher , Peter Zijlstra , Andy Lutomirski , LKML , Steven Whitehouse , Mel Gorman , linux-mm ----- Original Message ----- | On Wed, Oct 26, 2016 at 11:04 AM, Bob Peterson wrote: | > | > I can test it for you, if you give me about an hour. Sorry. I guess I underestimated the time it takes to build a kernel on my test box. It will take a little longer, but it's compiling now. | I can definitely wait an hour, it would be lovely to see more testing. | Especially if you have a NUMA machine and an interesting workload. I'll see what I can cook up. | And if you actually have that NUMA machine and a load that shows the | page_waietutu effects, it would also be lovely if you can then | _additionally_ test the patch that PeterZ wrote a few weeks ago, it | was on the mm list about a month ago: | | Date: Thu, 29 Sep 2016 15:08:27 +0200 | From: Peter Zijlstra | Subject: Re: page_waitqueue() considered harmful | Message-ID: <20160929130827.GX5016@twins.programming.kicks-ass.net> | | and if you don't find it I can forward it to you (Peter had a few | versions, that latest one is the one that looked best). I'll see what I can do, but first I'll check basic functionality and report back. Bob Peterson -- 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