[PATCH] kernel: fix-up schedule_timeout() usage

Use schedule_timeout_{,un}interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 6 deletions

diff --git a/kernel/compat.c b/kernel/compat.c
index ddfcaaa86623..102296e21ea8 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -48,8 +48,7 @@ static long compat_nanosleep_restart(struct restart_block *restart)
         if (!time_after(expire, now))
                 return 0;
 
-        current->state = TASK_INTERRUPTIBLE;
-        expire = schedule_timeout(expire - now);
+        expire = schedule_timeout_interruptible(expire - now);
         if (expire == 0)
                 return 0;
 
@@ -82,8 +81,7 @@ asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
                 return -EINVAL;
 
         expire = timespec_to_jiffies(&t) + (t.tv_sec || t.tv_nsec);
-        current->state = TASK_INTERRUPTIBLE;
-        expire = schedule_timeout(expire);
+        expire = schedule_timeout_interruptible(expire);
         if (expire == 0)
                 return 0;
 
@@ -795,8 +793,7 @@ compat_sys_rt_sigtimedwait (compat_sigset_t __user *uthese,
                         recalc_sigpending();
                         spin_unlock_irq(&current->sighand->siglock);
 
-                        current->state = TASK_INTERRUPTIBLE;
-                        timeout = schedule_timeout(timeout);
+                        timeout = schedule_timeout_interruptible(timeout);
 
                         spin_lock_irq(&current->sighand->siglock);
                         sig = dequeue_signal(current, &s, &info);