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

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Message-ID: <461A9D12.1060106@gmail.com>
Date:	Mon, 09 Apr 2007 22:07:46 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linux kernel mailing list <linux-kernel@...r.kernel.org>,
	linux-pm@...ts.osdl.org, pavel@...e.cz
Subject: Re: 2.6.21-rc5: swsusp: Not enough free memory

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.

Next, when this occurs, kernel CPU1 is not brought up and next suspend hangs
on "Suspending consoles".

regards,
-- 
http://www.fi.muni.cz/~xslaby/            Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
 B674 9967 0407 CE62 ACC8  22A0 32CC 55C3 39D4 7A7E

Hnus <hnus@...muni.cz> is an alias for /dev/null
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