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-rw-r--r--include/linux/jiffies.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index e0b5b684d83f..e377e34e589e 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -135,6 +135,22 @@ static inline u64 get_jiffies_64(void)
135#define time_before_eq64(a,b) time_after_eq64(b,a) 135#define time_before_eq64(a,b) time_after_eq64(b,a)
136 136
137/* 137/*
138 * These four macros compare jiffies and 'a' for convenience.
139 */
140
141/* time_is_before_jiffies(a) return true if a is before jiffies */
142#define time_is_before_jiffies(a) time_after(jiffies, a)
143
144/* time_is_after_jiffies(a) return true if a is after jiffies */
145#define time_is_after_jiffies(a) time_before(jiffies, a)
146
147/* time_is_before_eq_jiffies(a) return true if a is before or equal to jiffies*/
148#define time_is_before_eq_jiffies(a) time_after_eq(jiffies, a)
149
150/* time_is_after_eq_jiffies(a) return true if a is after or equal to jiffies*/
151#define time_is_after_eq_jiffies(a) time_before_eq(jiffies, a)
152
153/*
138 * Have the 32 bit jiffies value wrap 5 minutes after boot 154 * Have the 32 bit jiffies value wrap 5 minutes after boot
139 * so jiffies wrap bugs show up earlier. 155 * so jiffies wrap bugs show up earlier.
140 */ 156 */