Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934370Ab1CYKaH (ORCPT ); Fri, 25 Mar 2011 06:30:07 -0400 Received: from casper.infradead.org ([85.118.1.10]:60106 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934109Ab1CYKaF (ORCPT ); Fri, 25 Mar 2011 06:30:05 -0400 Subject: Re: [PATCH] perf: Better fit max unprivileged mlock pages for tools needs From: Peter Zijlstra To: Frederic Weisbecker Cc: LKML , Han Pingtian , Arnaldo Carvalho de Melo , Ingo Molnar , Stephane Eranian , Stable In-Reply-To: <1300904979-5508-1-git-send-email-fweisbec@gmail.com> References: <1300904979-5508-1-git-send-email-fweisbec@gmail.com> Content-Type: text/plain; charset="UTF-8" Date: Fri, 25 Mar 2011 11:32:10 +0100 Message-ID: <1301049130.2250.185.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 555 Lines: 13 On Wed, 2011-03-23 at 19:29 +0100, Frederic Weisbecker wrote: > -int sysctl_perf_event_mlock __read_mostly = 512; /* 'free' kb per user */ > +/* Minimum for 128 pages + 1 for the user control page */ > +int sysctl_perf_event_mlock __read_mostly = 516; /* 'free' kb per user */ This assumes PAGE_SIZE = 4k.. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/