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authorVlastimil Babka <vbabka@suse.cz>2017-05-08 15:54:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-08 17:15:10 -0700
commitb682debd97153706ffbe2fe3f8ec30a7ee11f9e1 (patch)
treea9a67706b3a0323668049eb7dd2929893a75664c /include/linux/mmzone.h
parent02aa0cdd72483c6dd436ed24d1000f86e0038d28 (diff)
downloadlwn-b682debd97153706ffbe2fe3f8ec30a7ee11f9e1.tar.gz
lwn-b682debd97153706ffbe2fe3f8ec30a7ee11f9e1.zip
mm, compaction: change migrate_async_suitable() to suitable_migration_source()
Preparation for making the decisions more complex and depending on compact_control flags. No functional change. Link: http://lkml.kernel.org/r/20170307131545.28577-6-vbabka@suse.cz Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Mel Gorman <mgorman@techsingularity.net> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mmzone.h')
-rw-r--r--include/linux/mmzone.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index e0c3c5e3d8a0..ebaccd4e7d8c 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -74,6 +74,11 @@ extern char * const migratetype_names[MIGRATE_TYPES];
# define is_migrate_cma_page(_page) false
#endif
+static inline bool is_migrate_movable(int mt)
+{
+ return is_migrate_cma(mt) || mt == MIGRATE_MOVABLE;
+}
+
#define for_each_migratetype_order(order, type) \
for (order = 0; order < MAX_ORDER; order++) \
for (type = 0; type < MIGRATE_TYPES; type++)