Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757806AbYG1Udu (ORCPT ); Mon, 28 Jul 2008 16:33:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751752AbYG1Udm (ORCPT ); Mon, 28 Jul 2008 16:33:42 -0400 Received: from e36.co.us.ibm.com ([32.97.110.154]:60783 "EHLO e36.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751480AbYG1Udm (ORCPT ); Mon, 28 Jul 2008 16:33:42 -0400 Subject: Re: [RFC] [PATCH 0/5 V2] Huge page backed user-space stacks From: Dave Hansen To: Eric Munson Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, libhugetlbfs-devel@lists.sourceforge.net In-Reply-To: References: Content-Type: text/plain Date: Mon, 28 Jul 2008 13:33:24 -0700 Message-Id: <1217277204.23502.36.camel@nimitz> Mime-Version: 1.0 X-Mailer: Evolution 2.22.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 697 Lines: 19 On Mon, 2008-07-28 at 12:17 -0700, Eric Munson wrote: > > This patch stack introduces a personality flag that indicates the > kernel > should setup the stack as a hugetlbfs-backed region. A userspace > utility > may set this flag then exec a process whose stack is to be backed by > hugetlb pages. I didn't see it mentioned here, but these stacks are fixed-size, right? They can't actually grow and are fixed in size at exec() time, right? -- Dave -- 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/