Received: by mail.netbsd.org (Postfix, from userid 605) id B103519CF38; Fri, 1 Apr 2011 00:47:16 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mail.netbsd.org (Postfix) with ESMTP id 33B8C19CF35 for ; Fri, 1 Apr 2011 00:47:16 +0000 (UTC) X-Virus-Scanned: amavisd-new at NetBSD.org Received: from mail.netbsd.org ([127.0.0.1]) by localhost (mail.NetBSD.org [127.0.0.1]) (amavisd-new, port 10025) with ESMTP id Cy8TvpXqevTq for ; Fri, 1 Apr 2011 00:47:13 +0000 (UTC) Received: from cvs.netbsd.org (cvs.NetBSD.org [IPv6:2001:4f8:3:7:2e0:81ff:fe30:95bd]) by mail.netbsd.org (Postfix) with ESMTP id 37D5E19CEFB for ; Fri, 1 Apr 2011 00:47:12 +0000 (UTC) Received: by cvs.netbsd.org (Postfix, from userid 500) id C410A175DF; Fri, 1 Apr 2011 00:47:12 +0000 (UTC) MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Date: Fri, 1 Apr 2011 00:47:12 +0000 From: "Mindaugas Rasiukevicius" Subject: CVS commit: src/sys/uvm To: source-changes@NetBSD.org X-Mailer: log_accum Message-Id: <20110401004712.C410A175DF@cvs.netbsd.org> Sender: source-changes-owner@NetBSD.org List-Id: source-changes.NetBSD.org Precedence: bulk Reply-To: source-changes-d@NetBSD.org Mail-Reply-To: "Mindaugas Rasiukevicius" Mail-Followup-To: source-changes-d@NetBSD.org Module Name: src Committed By: rmind Date: Fri Apr 1 00:47:12 UTC 2011 Modified Files: src/sys/uvm: uvm_page.c Log Message: uvm_pageidlezero: use try-lock to not occupy uvm_fpageqlock, which may be on demand by other CPUs. Reduces lock contention in some workloads on many CPU (8+) systems. Tested by tls@. To generate a diff of this commit: cvs rdiff -u -r1.171 -r1.172 src/sys/uvm/uvm_page.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.