From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nigel Cunningham Subject: Re: [RFC][PATCH] swsusp: support creating bigger images Date: Wed, 26 Apr 2006 13:41:27 +1000 Message-ID: <200604261341.32500.nigel@suspend2.net> References: <200604242355.08111.rjw@sisk.pl> <200604260021.08888.rjw@sisk.pl> <444ED9EB.5060205@yahoo.com.au> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart3631143.1XjrAkghlY"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <444ED9EB.5060205@yahoo.com.au> Sender: linux-kernel-owner@vger.kernel.org To: Nick Piggin Cc: "Rafael J. Wysocki" , Pavel Machek , Linux PM , LKML List-Id: linux-pm@vger.kernel.org --nextPart3631143.1XjrAkghlY Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi Nick. On Wednesday 26 April 2006 12:24, Nick Piggin wrote: > Rafael J. Wysocki wrote: > >This means if we freeze bdevs, we'll be able to save all of the LRU page= s, > >except for the pages mapped by the current task, without copying. I thi= nk > > we can try to do this, but we'll need a patch to freeze bdevs for this > > purpose. ;-) > > Why not the current task? Does it exit the kernel? Or go through some > get_uesr_pages path? I think Rafael is asleep at the mo, so I'll answer for him - he's wanting i= t=20 to be compatible with using userspace to control what happens (uswsusp). In= =20 that case, current will be the userspace program that's calling the ioctls = to=20 get processes frozen etc. Regards, Nigel =2D-=20 See our web page for Howtos, FAQs, the Wiki and mailing list info. http://www.suspend2.net IRC: #suspend2 on Freenode --nextPart3631143.1XjrAkghlY Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQBETuvsN0y+n1M3mo0RAsApAKDD4OYZQ7Xi1CaGX0eGra2rPpcO8wCeJGtQ pAi57ra6EUGfKWVuf6Z2i/g= =LqDi -----END PGP SIGNATURE----- --nextPart3631143.1XjrAkghlY--