From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030267AbWFBVIi (ORCPT ); Fri, 2 Jun 2006 17:08:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030269AbWFBVIi (ORCPT ); Fri, 2 Jun 2006 17:08:38 -0400 Received: from omx2-ext.sgi.com ([192.48.171.19]:39865 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S1030267AbWFBVIh (ORCPT ); Fri, 2 Jun 2006 17:08:37 -0400 Date: Fri, 2 Jun 2006 14:08:27 -0700 (PDT) From: Christoph Lameter To: Adam Litke cc: linuxppc-dev@ozlabs.org, linux-mm@kvack.org, David Gibson , linux-kernel@vger.kernel.org Subject: Re: [PATCH] hugetlb: powerpc: Actively close unused htlb regions on vma close In-Reply-To: <1149281841.9693.39.camel@localhost.localdomain> Message-ID: References: <1149257287.9693.6.camel@localhost.localdomain> <1149281841.9693.39.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2 Jun 2006, Adam Litke wrote: > The real reason I want to "close" hugetlb regions (even on 64bit > platforms) is so a process can replace a previous hugetlb mapping with > normal pages when huge pages become scarce. An example would be the > hugetlb morecore (malloc) feature in libhugetlbfs :) Well that approach wont work on IA64 it seems.