From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with ESMTP id 889456B00F5 for ; Fri, 18 Sep 2009 16:11:43 -0400 (EDT) Received: from wpaz9.hot.corp.google.com (wpaz9.hot.corp.google.com [172.24.198.73]) by smtp-out.google.com with ESMTP id n8IK8SJ0019544 for ; Fri, 18 Sep 2009 13:08:28 -0700 Received: from pxi1 (pxi1.prod.google.com [10.243.27.1]) by wpaz9.hot.corp.google.com with ESMTP id n8IK8Crh003902 for ; Fri, 18 Sep 2009 13:08:25 -0700 Received: by pxi1 with SMTP id 1so1003828pxi.1 for ; Fri, 18 Sep 2009 13:08:25 -0700 (PDT) Date: Fri, 18 Sep 2009 13:08:22 -0700 (PDT) From: David Rientjes Subject: Re: [PATCH 2/7] Add MAP_HUGETLB for mmaping pseudo-anonymous huge page regions In-Reply-To: <08251014d2eb30e9016bab16404133f5c13beacf.1253272709.git.ebmunson@us.ibm.com> Message-ID: References: <653aa659fd7970f7428f4eb41fa10693064e4daf.1253272709.git.ebmunson@us.ibm.com> <08251014d2eb30e9016bab16404133f5c13beacf.1253272709.git.ebmunson@us.ibm.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Eric B Munson Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, rdunlap@xenotime.net, michael@ellerman.id.au, ralf@linux-mips.org, wli@holomorphy.com, mel@csn.ul.ie, dhowells@redhat.com, arnd@arndb.de, fengguang.wu@intel.com, shuber2@gmail.com, hugh.dickins@tiscali.co.uk, zohar@us.ibm.com, hugh@veritas.com, mtk.manpages@gmail.com, chris@zankel.net, linux-man@vger.kernel.org, linux-doc@vger.kernel.org, linux-alpha@vger.kernel.org, linux-mips@linux-mips.org, linux-parisc@vger.kernel.org, linux-arch@vger.kernel.org List-ID: On Fri, 18 Sep 2009, Eric B Munson wrote: > This patch adds a flag for mmap that will be used to request a huge > page region that will look like anonymous memory to user space. This > is accomplished by using a file on the internal vfsmount. MAP_HUGETLB > is a modifier of MAP_ANONYMOUS and so must be specified with it. The > region will behave the same as a MAP_ANONYMOUS region using small pages. > > Signed-off-by: Eric B Munson Acked-by: David Rientjes -- 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