[PATCH 4/5] mm/lru: is_file/active_lru can be boolean

[Yaowei Bai]

This patch makes is_file/active_lru return bool to improve
readability due to these particular functions only using either
one or zero as their return value.

No functional change.

Signed-off-by: Yaowei Bai <baiyaowei@xxxxxxxxxxxxxxxxxxxx>
---
 include/linux/mmzone.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 6de02ac3..652d60e 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -188,12 +188,12 @@ enum lru_list {
 
 #define for_each_evictable_lru(lru) for (lru = 0; lru <= LRU_ACTIVE_FILE; lru++)
 
-static inline int is_file_lru(enum lru_list lru)
+static inline bool is_file_lru(enum lru_list lru)
 {
 	return (lru == LRU_INACTIVE_FILE || lru == LRU_ACTIVE_FILE);
 }
 
-static inline int is_active_lru(enum lru_list lru)
+static inline bool is_active_lru(enum lru_list lru)
 {
 	return (lru == LRU_ACTIVE_ANON || lru == LRU_ACTIVE_FILE);
 }
-- 
1.9.1