From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e5.ny.us.ibm.com (8.13.8/8.13.8) with ESMTP id m42Lt2bt021628 for ; Fri, 2 May 2008 17:55:02 -0400 Received: from d01av03.pok.ibm.com (d01av03.pok.ibm.com [9.56.224.217]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v8.7) with ESMTP id m42Lt2lk392138 for ; Fri, 2 May 2008 17:55:02 -0400 Received: from d01av03.pok.ibm.com (loopback [127.0.0.1]) by d01av03.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id m42Lt2PC001282 for ; Fri, 2 May 2008 17:55:02 -0400 Subject: Re: [RFC][PATCH 1/2] Add shared and reserve control to hugetlb_file_setup From: Eric B Munson Reply-To: ebmunson@us.ibm.com In-Reply-To: <1209744977.7763.29.camel@nimitz.home.sr71.net> References: <1209693089.8483.22.camel@grover.beaverton.ibm.com> <1209744977.7763.29.camel@nimitz.home.sr71.net> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-uS9HryJMvyy0MUQb0LR0" Date: Fri, 02 May 2008 14:55:01 -0700 Message-Id: <1209765301.8581.18.camel@grover.beaverton.ibm.com> Mime-Version: 1.0 Sender: owner-linux-mm@kvack.org Return-Path: To: Dave Hansen Cc: linux-mm@kvack.org, nacc , mel@csn.ul.ie, andyw List-ID: --=-uS9HryJMvyy0MUQb0LR0 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Fri, 2008-05-02 at 09:16 -0700, Dave Hansen wrote: > On Thu, 2008-05-01 at 18:51 -0700, Eric B Munson wrote: > > In order to back stacks with huge pages, we will want to make hugetlbfs > > files to back them; these will be used to back private mappings. > > Currently hugetlb_file_setup creates files to back shared memory segmen= ts. > > Modify this to create both private and shared files, >=20 > Hugetlbfs can currently have private mappings, right? Why not just use > the existing ones instead of creating a new variety with > hugetlb_file_setup()? >=20 > -- Dave >=20 Currently the only way to create a private mapping of a huge page is to have the file system mounted. This change allows a huge page private mapping without mounting the filesystem. Eric --=-uS9HryJMvyy0MUQb0LR0 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQBIG421snv9E83jkzoRAinoAJ4jdgqPEGUT40B9e4pGkychWW195ACgnYu3 W44r6Pd3AaZ8x30o8F4KdTQ= =qu94 -----END PGP SIGNATURE----- --=-uS9HryJMvyy0MUQb0LR0-- -- 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