Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756290Ab1BXWLY (ORCPT ); Thu, 24 Feb 2011 17:11:24 -0500 Received: from smtp1.linux-foundation.org ([140.211.169.13]:59793 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755951Ab1BXWLR (ORCPT ); Thu, 24 Feb 2011 17:11:17 -0500 Date: Thu, 24 Feb 2011 14:10:34 -0800 From: Andrew Morton To: Petr Holasek Cc: linux-kernel@vger.kernel.org, Andi Kleen , Naoya Horiguchi , Mel Gorman , Wu Fengguang , linux-mm@kvack.org Subject: Re: [PATCH v2] hugetlbfs: correct handling of negative input to /proc/sys/vm/nr_hugepages Message-Id: <20110224141034.d2dfb7de.akpm@linux-foundation.org> In-Reply-To: <4D6419C0.8080804@redhat.com> References: <4D6419C0.8080804@redhat.com> X-Mailer: Sylpheed 3.0.2 (GTK+ 2.20.1; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 622 Lines: 16 On Tue, 22 Feb 2011 21:17:04 +0100 Petr Holasek wrote: > When user insert negative value into /proc/sys/vm/nr_hugepages it will > result > in the setting a random number of HugePages in system Is this true? afacit the kernel will allocate as many pages as it can and will then set /proc/sys/vm/nr_hugepages to reflect the result. That's not random. -- 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/