From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932203AbWGDKy7 (ORCPT ); Tue, 4 Jul 2006 06:54:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932207AbWGDKy7 (ORCPT ); Tue, 4 Jul 2006 06:54:59 -0400 Received: from pop5-1.us4.outblaze.com ([205.158.62.125]:64408 "HELO pop5-1.us4.outblaze.com") by vger.kernel.org with SMTP id S932203AbWGDKy7 (ORCPT ); Tue, 4 Jul 2006 06:54:59 -0400 From: Nigel Cunningham Reply-To: nigel@suspend2.net To: Nick Piggin Subject: Re: [Suspend2][ 07/13] [Suspend2] Page_alloc paranoia. Date: Tue, 4 Jul 2006 20:54:45 +1000 User-Agent: KMail/1.9.1 Cc: linux-kernel@vger.kernel.org References: <20060627044226.15066.7403.stgit@nigel.suspend2.net> <200606271634.43662.nigel@suspend2.net> <44A3FE3B.6070103@yahoo.com.au> In-Reply-To: <44A3FE3B.6070103@yahoo.com.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1311891.Bo1uyuu3VK"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200607042054.55925.nigel@suspend2.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --nextPart1311891.Bo1uyuu3VK Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi Nick. On Friday 30 June 2006 02:22, Nick Piggin wrote: > Nigel Cunningham wrote: > > Hi. > > > > On Tuesday 27 June 2006 16:11, Nick Piggin wrote: > >>Nigel Cunningham wrote: > >>>Add paranoia to the page_alloc code to ensure we don't start page > >>> reclaim during suspending. > >> > >>Nack. Set PF_MEMALLOC if you must. > > > > That would work for the thread doing the suspending. What about other > > kernel threads that might run and allocate memory during the cycle > > because of $RANDOM_EVENT? We don't want them triggering memory freeing > > either. > > Haven't you suspended the other threads at this point? > > What are the consequences of allocating memory? Did you see my reply to these questions? Regards, Nigel =2D-=20 See http://www.suspend2.net for Howtos, FAQs, mailing lists, wiki and bugzilla info. --nextPart1311891.Bo1uyuu3VK Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQBEqkj/N0y+n1M3mo0RAi8+AKDfW7RX9inInpzzjkbHO7twgrARGwCgyBYl PT72+IkdCzhEzLPE/m2B2wY= =FtYX -----END PGP SIGNATURE----- --nextPart1311891.Bo1uyuu3VK--