Re: 2.6.21-rc5: swsusp: Not enough free memory

[Rafael J. Wysocki]

On Monday, 9 April 2007 22:07, Jiri Slaby wrote:
> Rafael J. Wysocki napsal(a):
> > Thanks for testing.
> [...]
> > --- linux-2.6.21-rc5.orig/kernel/power/swsusp.c
> > +++ linux-2.6.21-rc5/kernel/power/swsusp.c
> > @@ -229,13 +229,13 @@ int swsusp_shrink_memory(void)
> >  		size += highmem_size;
> >  		for_each_zone (zone)
> >  			if (populated_zone(zone)) {
> > +				tmp += snapshot_additional_pages(zone);
> >  				if (is_highmem(zone)) {
> >  					highmem_size -=
> >  					zone_page_state(zone, NR_FREE_PAGES);
> >  				} else {
> >  					tmp -= zone_page_state(zone, NR_FREE_PAGES);
> >  					tmp += zone->lowmem_reserve[ZONE_NORMAL];
> > -					tmp += snapshot_additional_pages(zone);
> 
> I have bad news for you :(. I thought I had unpatched kernel, but it happens
> in -rc6 too.

I guess you mean you're still seeing the 'not enough memory to suspend'
problem?
 
> Next, when this occurs, kernel CPU1 is not brought up and next suspend hangs
> on "Suspending consoles".

Hm, there probably is a bug in an error path.  Do you use the built in swsusp
or s2disk?

Rafael
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