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-rw-r--r--include/linux/semaphore.h9
1 files changed, 3 insertions, 6 deletions
diff --git a/include/linux/semaphore.h b/include/linux/semaphore.h
index a107aebd9148..a7125daaff90 100644
--- a/include/linux/semaphore.h
+++ b/include/linux/semaphore.h
@@ -15,15 +15,12 @@
15 15
16/* 16/*
17 * The spinlock controls access to the other members of the semaphore. 17 * The spinlock controls access to the other members of the semaphore.
18 * 'count' is decremented by every task which calls down*() and incremented 18 * 'count' represents how many more tasks can acquire this semaphore.
19 * by every call to up(). Thus, if it is positive, it indicates how many 19 * Tasks waiting for the lock are kept on the wait_list.
20 * more tasks may acquire the lock. If it is negative, it indicates how
21 * many tasks are waiting for the lock. Tasks waiting for the lock are
22 * kept on the wait_list.
23 */ 20 */
24struct semaphore { 21struct semaphore {
25 spinlock_t lock; 22 spinlock_t lock;
26 int count; 23 unsigned int count;
27 struct list_head wait_list; 24 struct list_head wait_list;
28}; 25};
29 26