From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f53.google.com (mail-wm0-f53.google.com [74.125.82.53]) by kanga.kvack.org (Postfix) with ESMTP id BC9356B0005 for ; Mon, 25 Jan 2016 05:38:56 -0500 (EST) Received: by mail-wm0-f53.google.com with SMTP id 123so59766101wmz.0 for ; Mon, 25 Jan 2016 02:38:56 -0800 (PST) Received: from mail-wm0-x229.google.com (mail-wm0-x229.google.com. [2a00:1450:400c:c09::229]) by mx.google.com with ESMTPS id cj3si18993895wjc.46.2016.01.25.02.38.55 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 25 Jan 2016 02:38:55 -0800 (PST) Received: by mail-wm0-x229.google.com with SMTP id 123so59765589wmz.0 for ; Mon, 25 Jan 2016 02:38:55 -0800 (PST) Date: Mon, 25 Jan 2016 12:38:53 +0200 From: "Kirill A. Shutemov" Subject: Re: [REGRESSION] [BISECTED] kswapd high CPU usage Message-ID: <20160125103853.GD11095@node.shutemov.name> References: <20160121161656.GA16564@node.shutemov.name> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Hugh Greenberg Cc: linux-mm@kvack.org On Sat, Jan 23, 2016 at 03:57:21PM +0000, Hugh Greenberg wrote: > Kirill A. Shutemov shutemov.name> writes: > > > > Could you try to insert "late_initcall(set_recommended_min_free_kbytes);" > > back and check if makes any difference. > > > > We tested adding late_initcall(set_recommended_min_free_kbytes); > back in 4.1.14 and it made a huge difference. We aren't sure if the > issue is 100% fixed, but it could be. We will keep testing it. It would be nice to have values of min_free_kbytes before and after set_recommended_min_free_kbytes() in your configuration. -- Kirill A. Shutemov -- 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