On Friday 31 March 2006 03:12, Rafael J. Wysocki wrote:
> OK, I have the following observations:
Thanks.
>
> 1) The patch generally causes more memory to be freed during suspend than
> the unpatched code (good).
Yes I know you meant less, that's good.
> 2) However, if more than 50% of RAM is used by application data, it causes
> the swap prefetch to trigger during resume (that's an impression; anyway
> the system swaps in a lot at that time), which takes some time (generally
> it makes resume 5-10s longer on my box).
Is that with this "swsusp shrink_all_memory tweaks" patch alone? It doesn't
touch swap prefetch.
> 3) The problem with returning zero prematurely has not been entirely
> eliminated. It's happened for me only once, though.
Probably hard to say, but is the system in any better state after resume has
completed? That was one of the aims. Also a major part of this patch is a
cleanup of the hot balance_pgdat function as well, which suspend no longer
touches with this patch.
Cheers,
Con
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