From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx170.postini.com [74.125.245.170]) by kanga.kvack.org (Postfix) with SMTP id 3D6946B02AD for ; Thu, 2 May 2013 23:45:33 -0400 (EDT) Received: from /spool/local by e23smtp03.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 3 May 2013 13:37:31 +1000 Received: from d23relay05.au.ibm.com (d23relay05.au.ibm.com [9.190.235.152]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id 5AA572BB004F for ; Fri, 3 May 2013 13:45:25 +1000 (EST) Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay05.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r433VUWs20906036 for ; Fri, 3 May 2013 13:31:30 +1000 Received: from d23av04.au.ibm.com (loopback [127.0.0.1]) by d23av04.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r433jO45019719 for ; Fri, 3 May 2013 13:45:24 +1000 Date: Fri, 3 May 2013 13:21:36 +1000 From: David Gibson Subject: Re: [PATCH -V7 01/10] powerpc/THP: Double the PMD table size for THP Message-ID: <20130503032136.GN13041@truffula.fritz.box> References: <1367178711-8232-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <1367178711-8232-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="rQ7Ovc9/RBrrr0/1" Content-Disposition: inline In-Reply-To: <1367178711-8232-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: "Aneesh Kumar K.V" Cc: benh@kernel.crashing.org, paulus@samba.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org --rQ7Ovc9/RBrrr0/1 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Apr 29, 2013 at 01:21:42AM +0530, Aneesh Kumar K.V wrote: > From: "Aneesh Kumar K.V" >=20 > THP code does PTE page allocation along with large page request and depos= it them > for later use. This is to ensure that we won't have any failures when we = split > hugepages to regular pages. >=20 > On powerpc we want to use the deposited PTE page for storing hash pte slo= t and > secondary bit information for the HPTEs. We use the second half > of the pmd table to save the deposted PTE page. >=20 > Signed-off-by: Aneesh Kumar K.V So far so good. Reviewed-by: David Gibson --=20 David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson --rQ7Ovc9/RBrrr0/1 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAlGDLUAACgkQaILKxv3ab8Y4/gCbBGS54h8FzpwDUcxBIZiVJA77 TSEAn16EgojWQZwLhiFEaI69hD+5Dzjs =qMQ1 -----END PGP SIGNATURE----- --rQ7Ovc9/RBrrr0/1-- -- 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