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authorMinchan Kim <minchan.kim@gmail.com>2011-11-01 04:06:47 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 04:30:44 +0400
commit4356f21d09283dc6d39a6f7287a65ddab61e2808 (patch)
tree34822a1662ea83291455834556a4fb5bf98ecd72 /include/linux/memcontrol.h
parentb9e84ac1536d35aee03b2601f19694949f0bd506 (diff)
downloadlinux-4356f21d09283dc6d39a6f7287a65ddab61e2808.tar.xz
mm: change isolate mode from #define to bitwise type
Change ISOLATE_XXX macro with bitwise isolate_mode_t type. Normally, macro isn't recommended as it's type-unsafe and making debugging harder as symbol cannot be passed throught to the debugger. Quote from Johannes " Hmm, it would probably be cleaner to fully convert the isolation mode into independent flags. INACTIVE, ACTIVE, BOTH is currently a tri-state among flags, which is a bit ugly." This patch moves isolate mode from swap.h to mmzone.h by memcontrol.h Signed-off-by: Minchan Kim <minchan.kim@gmail.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Rik van Riel <riel@redhat.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/memcontrol.h')
-rw-r--r--include/linux/memcontrol.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 343bd7661f2a..ac797fa03ef8 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -35,7 +35,8 @@ enum mem_cgroup_page_stat_item {
extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
struct list_head *dst,
unsigned long *scanned, int order,
- int mode, struct zone *z,
+ isolate_mode_t mode,
+ struct zone *z,
struct mem_cgroup *mem_cont,
int active, int file);