From mboxrd@z Thu Jan 1 00:00:00 1970 From: Doug Goldstein Subject: Re: [PATCH] arch/x86: convert bigmem to Kconfig Date: Fri, 8 Jan 2016 08:19:51 -0600 Message-ID: <568FC587.3090204@cardoe.com> References: <1452221757-14267-1-git-send-email-cardoe@cardoe.com> <568F866602000078000C4B2A@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============4630253311246096184==" Return-path: In-Reply-To: <568F866602000078000C4B2A@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Jan Beulich Cc: Andrew Cooper , Keir Fraser , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============4630253311246096184== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="dvBBP2QkVcP6aclC9VvDDUm8InU9QakDO" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --dvBBP2QkVcP6aclC9VvDDUm8InU9QakDO Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 1/8/16 2:50 AM, Jan Beulich wrote: >>>> On 08.01.16 at 03:55, wrote: >> --- a/xen/arch/x86/Kconfig >> +++ b/xen/arch/x86/Kconfig >> @@ -25,6 +25,18 @@ config ARCH_DEFCONFIG >> =20 >> menu "Architecture Features" >> =20 >> +config BIGMEM >> + bool "big memory support" >> + default n >> + ---help--- >> + Allows Xen to support up to 123Tb of memory. >> + >> + This requires growing struct page_info from 32 to 48 bytes as well= >> + as shrinking the always accessible direct mapped memory range from= >> + 5Tb to 3.5Tb. >=20 > Fundamentally okay, but I think the numbers should be dropped > (as they could easily become stale, since they reflect in the first > case just current state and in the second really just an > implementation detail). No strict need to re-submit (can be fixed > up upon commit), but I'd like to have your consent since this is > going to be under your name. >=20 > Jan >=20 Yes that's fine. I just copied the original commit message that added big mem support. I'm actually hoping that more people do what you're proposing and provide better detailed messages when they understand how that code works. So thank you! --=20 Doug Goldstein --dvBBP2QkVcP6aclC9VvDDUm8InU9QakDO Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0 iQJ8BAEBCgBmBQJWj8WKXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRBNTM5MEQ2RTNFMTkyNzlCNzVDMzIwOTVB MkJDMDNEQzg3RUQxQkQ0AAoJEKK8A9yH7RvUY4cP/10jO7FkFTU4SFIp2p7XUZ4t o+x1zpLNANOQBpe0tNJEpWHXPy6PVqa2FBtIugoexTeq5tkC3lyxSHYtVdhIbqjA PFGTXiT8OdwqtInQJybm+JIM0w5Dnm0Cfio1r03towEdKqwHPwjBD4R66ECPAwib 5TH7duQ6SElmBH7MRU4fNMuUWMH3UQtcUaraQf3jCPkf7XYOTZZPiAoT8w/G/0K5 H+KPpM78dApaPgYVUfH6UiGazHD+tfyIvr0iV1kUZGqzwhwqB/xlRoSZqNeX2hF+ 3QxMF3ZKtpiyoDdl3DjBQBzzcEQTP0oIeVIbdodXKPvt467q3ehMW3u+ButcsOu3 BGT7V3jiR8aHmXyBIyAI6iqbmuem8jsZ8ix9v/VI/6XH+tMnRWjBLD3pmglITuFB y74jGHHbNdTHURsByc5ER0v2yPYK8NuZ/uTBBdRSTnQ5U0BcVtPcjhAgl8mhxZJJ aSJ9U8VGyiYkin5ginmDdn2L26j3GGB9tZU6yvzQJd0ikEadkjfw+p3mfCeX8DHr 9jwtTzNwsHrh5RnJjkEsa/0rFHJwres+yyKPgUPcLpVdhjpRYDtqJap9E1d8Ytve 0D4KGijmJGyf8ODSh8KYrNNTulV8+XGVTmbnDQCuXZ52OWXFAZhlsMx32Xm0ebPW 70eMd9thNDn6yVWUTOis =BWEk -----END PGP SIGNATURE----- --dvBBP2QkVcP6aclC9VvDDUm8InU9QakDO-- --===============4630253311246096184== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel --===============4630253311246096184==--