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[147.75.80.249]) by mx.google.com with ESMTPS id s14-20020a50ab0e000000b0056c39838d1asi5457539edc.476.2024.04.09.17.12.17 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Apr 2024 17:12:17 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-137748-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249; Authentication-Results: mx.google.com; arc=pass (i=1); spf=pass (google.com: domain of linux-kernel+bounces-137748-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-137748-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 17EAC1F21F68 for ; Wed, 10 Apr 2024 00:12:17 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id ADC48A59; Wed, 10 Apr 2024 00:11:52 +0000 (UTC) Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1B66519E; Wed, 10 Apr 2024 00:11:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712707912; cv=none; b=TjzN8xyAKVbVGs3bcpqJDNghyHWFHL9mMmT9lMY2zmJq3+mlxwUzdFS7o4oSXW24TwPQbR4jLY+Tg/j3iM0o+zWYhq9pj8iyb4+zBupEm0bbwuKqHg0jJ5S/Qfu9c853Frnn8TnarDtRbfPv3C1VeBIBWZecuZukAb4r0lNkJWE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712707912; c=relaxed/simple; bh=cNZeGZ/65OwERzSfuxbYVGkUaCy7OOfWW6eKXwFvmww=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=klF2ws6vjpK4VB2fOmgVLIprGYJHYh5nE066VPiZSpXUJHdod5JhkZLkT5hPgi3iHCvmVekBDXSrHbe1VPXfoZzh/7t9JwN/KfS5iOpIBp2Rgxd0rF7BM3yXERcvCxn2xvpG8l7Htwo1JmZ0msUUU3pxIPoqHbad6ckdNyC3L+Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 092DFC43390; Wed, 10 Apr 2024 00:11:50 +0000 (UTC) Date: Tue, 9 Apr 2024 20:14:26 -0400 From: Steven Rostedt To: "Masami Hiramatsu (Google)" Cc: LKML , Linux Trace Kernel , Mathieu Desnoyers , rsavitski@google.com Subject: Re: [PATCH] ring-buffer: Only update pages_touched when a new page is touched Message-ID: <20240409201426.73251bc4@gandalf.local.home> In-Reply-To: <20240410084400.d08b17cc846c233619e3c9fd@kernel.org> References: <20240409151309.0d0e5056@gandalf.local.home> <20240410084400.d08b17cc846c233619e3c9fd@kernel.org> X-Mailer: Claws Mail 3.19.1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 10 Apr 2024 08:44:00 +0900 Masami Hiramatsu (Google) wrote: > Looks good to me. > > Acked-by: Masami Hiramatsu (Google) Thanks. > > BTW, isn't this a real bugfix, because the page_touched can be > bigger than nr_pages without this fix? Yes, I simply forgot to add the Cc stable. -- Steve