From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from 218-101-109-95.dialup.clear.net.nz (218-101-109-95.dialup.clear.net.nz [218.101.109.95]) by smtp2.clear.net.nz (CLEAR Net Mail) with ESMTP id <0HRY003WYWT9ES@smtp2.clear.net.nz> for linux-mm@kvack.org; Sat, 24 Jan 2004 13:17:36 +1300 (NZDT) Date: Sat, 24 Jan 2004 13:20:25 +1300 From: Nigel Cunningham Subject: Re: Can a page be HighMem without having the HighMem flag set? In-reply-to: <20040124000435.GC1016@holomorphy.com> Reply-to: ncunningham@users.sourceforge.net Message-id: <1074903624.2093.51.camel@laptop-linux> MIME-version: 1.0 Content-type: multipart/signed; boundary="=-he0Bfb1YNsktdVPlWtRD"; protocol="application/pgp-signature"; micalg=pgp-sha1 References: <1074824487.12774.185.camel@laptop-linux> <20040123022617.GY1016@holomorphy.com> <1074828647.12774.212.camel@laptop-linux> <1074900629.2024.44.camel@laptop-linux> <20040124000435.GC1016@holomorphy.com> Sender: owner-linux-mm@kvack.org Return-Path: To: William Lee Irwin III Cc: Linux Memory Management List-ID: --=-he0Bfb1YNsktdVPlWtRD Content-Type: text/plain Content-Transfer-Encoding: quoted-printable That's fine. I'll just ignore those pages for the sake of suspending and resuming. I've just successfully suspended with those changes, but suspending is the easy part.... resuming worked too :> Regards, Nigel On Sat, 2004-01-24 at 13:04, William Lee Irwin III wrote: > > It's the pages efff6000- which are causing me grief. if I understand > > things correctly, page_is_ram is returning 0 for those pages, and as a > > result they get marked reserved and not HighMem by one_highpage_init. > > I suppose, then, that I need to check for and ignore pages > > > highstart_pfn where PageHighMem is not set/Reserved is set. (Either > > okay?). >=20 > If it's reserved, most/all bets are off -- only the "owner" of the thing > understands what it is. Some more formally-defined semantics for reserved > are needed, but 2.6 is unlikely to get them soon. >=20 >=20 > -- wli --=20 My work on Software Suspend is graciously brought to you by LinuxFund.org. --=-he0Bfb1YNsktdVPlWtRD Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQBAEbpIVfpQGcyBBWkRAi+AAKCXKyjMgs3OCI7Nerb0Nqaiay5nVwCgn44T Ou3M6nUelTpJeVR+7dS3Sjg= =WdbT -----END PGP SIGNATURE----- --=-he0Bfb1YNsktdVPlWtRD-- -- 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: aart@kvack.org