From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e31.co.us.ibm.com (8.13.8/8.13.8) with ESMTP id m6SKXa0i021200 for ; Mon, 28 Jul 2008 16:33:36 -0400 Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by d03relay04.boulder.ibm.com (8.13.8/8.13.8/NCO v9.0) with ESMTP id m6SKXQM9039300 for ; Mon, 28 Jul 2008 14:33:26 -0600 Received: from d03av01.boulder.ibm.com (loopback [127.0.0.1]) by d03av01.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id m6SKXQd3008838 for ; Mon, 28 Jul 2008 14:33:26 -0600 Subject: Re: [RFC] [PATCH 0/5 V2] Huge page backed user-space stacks From: Dave Hansen 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 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Eric Munson Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, libhugetlbfs-devel@lists.sourceforge.net List-ID: 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org