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[PATCH] swsusp: take lowmem reserves into account

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swsusp allocates memory from the normal zone, so it cannot use lowmem
reserve pages from the lower zones.  Therefore it should not count these
pages as available to it.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Rafael J. Wysocki 2006-06-23 02:04:46 -07:00 committed by Linus Torvalds
parent 3e3318dee0
commit a938c356d5
1 changed files with 3 additions and 1 deletions
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4
kernel/power/swsusp.c
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@ -188,8 +188,10 @@ int swsusp_shrink_memory(void)
PAGES_FOR_IO;
tmp = size;
for_each_zone (zone)
if (!is_highmem(zone))
if (!is_highmem(zone) && populated_zone(zone)) {
tmp -= zone->free_pages;
tmp += zone->lowmem_reserve[ZONE_NORMAL];
}
if (tmp > 0) {
tmp = __shrink_memory(tmp);
if (!tmp)