From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 021DAC83F11 for ; Sun, 27 Aug 2023 08:53:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229807AbjH0IxW (ORCPT ); Sun, 27 Aug 2023 04:53:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37162 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230115AbjH0Iw7 (ORCPT ); Sun, 27 Aug 2023 04:52:59 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 25B69F1; Sun, 27 Aug 2023 01:52:56 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B75C262167; Sun, 27 Aug 2023 08:52:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E012C433C7; Sun, 27 Aug 2023 08:52:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1693126375; bh=TMfQl3Pz+V2rPjEjmQALnP4xXEsGHixS96zlrjaSDkw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tcuXk0cHMQUqSoJaQxUN0GjNbCw6l/tR9z3vAAx/SvsyRN24m121+4Mm7dIoTxW7v 5fK4XWmIcYyx+QsW/8XtADuugqrtXZ71fza0xnva4BDTHxFklL7gQjp/XcRgtoDm7R vgblHvZGSuNaISMjxJ6GfdIPZq+No+VdCEJ3gtTE= Date: Sun, 27 Aug 2023 10:52:52 +0200 From: Greg KH To: Saeed Mirzamohammadi Cc: "# v4 . 16+" , Andrew Morton , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Luis Chamberlain , Kees Cook , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" Subject: Re: [PATCH 5.4 0/1] mm: allow a controlled amount of unfairness in the page lock Message-ID: <2023082742-mourner-amaze-7ff9@gregkh> References: <20230821222547.483583-1-saeed.mirzamohammadi@oracle.com> <2023082248-parting-backed-2ab0@gregkh> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Tue, Aug 22, 2023 at 05:20:50PM +0000, Saeed Mirzamohammadi wrote: > > > > On Aug 22, 2023, at 12:08 AM, Greg KH wrote: > > > > On Mon, Aug 21, 2023 at 03:25:45PM -0700, Saeed Mirzamohammadi wrote: > >> We observed a 35% of regression running phoronix pts/ramspeed and also 16% > >> with unixbench. Regression is caused by the following commit: > >> dd0f194cfeb5 | mm: rewrite wait_on_page_bit_common() logic > > > > That is not a valid git id in Linus's or in the linux-stable repo that I > > can see. Are you sure that it is correct? > > Sorry for the incorrect sha. Here are the correct ones: > > kernel_dot_org/linux-stable.git linux-5.4.y - c32ab1c1959a > kernel_dot_org/torvalds_linux.git master - 2a9127fcf229 > kernel_dot_org/linux-stable.git master - 2a9127fcf229 > --- > subject : mm: rewrite wait_on_page_bit_common() logic > author : torvalds@linux-foundation.org > author date : 2020-07-23 17:16:49 Thanks, now queued up. greg k-h