From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f175.google.com (mail-qk0-f175.google.com [209.85.220.175]) by kanga.kvack.org (Postfix) with ESMTP id 79A7682F69 for ; Mon, 22 Feb 2016 20:36:37 -0500 (EST) Received: by mail-qk0-f175.google.com with SMTP id s68so62939748qkh.3 for ; Mon, 22 Feb 2016 17:36:37 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id a68si31954123qhc.73.2016.02.22.17.36.36 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 Feb 2016 17:36:36 -0800 (PST) Message-ID: <1456191393.7716.28.camel@redhat.com> Subject: Re: [PATCH v2] mm: scale kswapd watermarks in proportion to memory From: Rik van Riel Date: Mon, 22 Feb 2016 20:36:33 -0500 In-Reply-To: <1456184002-15729-1-git-send-email-hannes@cmpxchg.org> References: <1456184002-15729-1-git-send-email-hannes@cmpxchg.org> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-oJed4wjTczPUNgfxHokO" Mime-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Johannes Weiner , Andrew Morton Cc: Mel Gorman , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@fb.com --=-oJed4wjTczPUNgfxHokO Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2016-02-22 at 15:33 -0800, Johannes Weiner wrote: > Beyond 1G of memory, this will produce bigger watermark steps than=20 Is that supposed to be beyond 16GB? > the > current formula in default settings. Ensure that the new formula > never > chooses steps smaller than that, i.e. 25% of the emergency reserve. >=20 > On a 140G machine, this raises the default watermark steps - the > distance between min and low, and low and high - from 16M to 143M. >=20 > Signed-off-by: Johannes Weiner > Acked-by: Mel Gorman Acked-by: Rik van Riel --=20 All Rights Reversed. --=-oJed4wjTczPUNgfxHokO Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJWy7eiAAoJEM553pKExN6DOmsH/3xxiMynm9KxGOJM99uTCgEK nxwvVzKu7V3G5pnsPQZd55m4AlHGLTbLmLHcx1X1et2u+KYgKJevWPIXXCzP+aHk 1+FJGTN+/4jN0LNVFjfKka3iz6eJsnwefEAJtXoskRXUyKDMgaYfDq0PfVIg0y1W qPyxR0GXuGe/ltZ8UuGPBYSkQ5JxK0mCS9UGBAp9EgmXCKNVv8H76DyBpxb2SlVs dQZWKrKDA3FQmeOKFKeVMGPGeBT+036k0DsqOvzyaNjuLu0rhUw72KNcziGnbtzZ O4di6hA6ffEd2Q2T28e8U/ErTKUNCxfECmLMk261whGqCcXmbT9GpM/UcY6S1+s= =mkJz -----END PGP SIGNATURE----- --=-oJed4wjTczPUNgfxHokO-- -- 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