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SubjectRe: swsusp performance problems in 2.6.15-rc3-mm1
"Rafael J. Wysocki" <rjw@sisk.pl> wrote:
>
> Till now, we have used the simplistic approach
> based on freeing as much memory as possible before suspend. Now, we
> are freeing only as much memory as necessary, which is on the other
> end of the scale, so to speak.

You might want to play with
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.15-rc5/2.6.15-rc5-mm1/broken-out/drop-pagecache.patch.
That's a fast-and-easy way of freeing up quite a lot of memory.
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