From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with ESMTP id 29F116B0012 for ; Wed, 11 May 2011 21:08:50 -0400 (EDT) Subject: Re: mmotm 2011-04-29 - wonky VmRSS and VmHWM values after swapping In-Reply-To: Your message of "Tue, 10 May 2011 18:04:45 +0200." <1305043485.2914.110.camel@laptop> From: Valdis.Kletnieks@vt.edu References: <201104300002.p3U02Ma2026266@imap1.linux-foundation.org> <49683.1304296014@localhost> <8185.1304347042@localhost> <20110502164430.eb7d451d.akpm@linux-foundation.org> <1305043485.2914.110.camel@laptop> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1305162521_2485P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Wed, 11 May 2011 21:08:41 -0400 Message-ID: <3313.1305162521@localhost> Sender: owner-linux-mm@kvack.org List-ID: To: Peter Zijlstra Cc: Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org --==_Exmh_1305162521_2485P Content-Type: text/plain; charset=us-ascii On Tue, 10 May 2011 18:04:45 +0200, Peter Zijlstra said: > I haven't quite figured out how to reproduce, but does the below cure > things? If so, it should probably be folded into the first patch > (mm-mmu_gather-rework.patch?) since that is the one introducing this. > > --- > Subject: mm: Fix RSS zap_pte_range() accounting > > Since we update the RSS counters when breaking out of the loop and > release the PTE lock, we should start with fresh deltas when we > restart the gather loop. Confirming this patch makes the numbers look sane and plausible again, so feel free to stick a Tested-By: to match the Reported-By:. --==_Exmh_1305162521_2485P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFNyzMZcC3lWbTT17ARApyMAKCJfiHzhEgR8XwpgnhK12nzEBoNUgCgpXah 1caMfu6xRn68C2XkrP7CCMI= =lTLb -----END PGP SIGNATURE----- --==_Exmh_1305162521_2485P-- -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org