Date: Thu, 23 Feb 2006 13:17:07 +0100
From: Pavel Machek <pavel@suse.cz>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Nigel Cunningham <ncunningham@cyclades.com>,
       Dmitry Torokhov <dtor_core@ameritech.net>,
       Andreas Happe <andreashappe@snikt.net>, linux-kernel@vger.kernel.org,
       Suspend2 Devel List <suspend2-devel@lists.suspend2.net>
Subject: Re: Which is simpler? (Was Re: [Suspend2-devel] Re: [ 00/10] [Suspend2] Modules support.)
Message-ID: <20060223121707.GP13621@elf.ucw.cz>
References: <20060201113710.6320.68289.stgit@localhost.localdomain> <200602230031.41217.rjw@sisk.pl> <20060222235639.GK13621@elf.ucw.cz> <200602230944.26253.rjw@sisk.pl>
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Hi!

> > Ok, I have no problems with visions.
> > 
> > > I think we should try to get the pagecache stuff right first anyway.
> > 
> > Are you sure it is worth doing? I mean... it only helps on small
> > machines, no?
> > 
> > OTOH having it for benchmarks will be nice, and perhaps we could use
> > that kind it to speed up boot and similar things... 
> 
> Currently some people can't suspend with the mainline code because it cannot
> free as much memory as needed on their boxes.  I think we should care for them
> too.

But saving pagecache will not help them *at all*!

[Because pagecache is freeable, anyway, so it will be freed. Now... I
have seen some problems where free_some_memory did not free enough,
and schedule()/retry helped a bit... that probably should be fixed.]

								Pavel
-- 
Web maintainer for suspend.sf.net (www.sf.net/projects/suspend) wanted...
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