]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
[PATCH] Small schedule() optimization
authorAndreas Mohr <andi@lisas.de>
Mon, 27 Mar 2006 09:15:20 +0000 (01:15 -0800)
committerLinus Torvalds <torvalds@g5.osdl.org>
Mon, 27 Mar 2006 16:44:43 +0000 (08:44 -0800)
small schedule() microoptimization.

Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
kernel/sched.c

index dc599c85a88d1cf683d4d90fd26349d20d34f757..a96a05d23262be5353420d9398454fe90c4b7e90 100644 (file)
@@ -2879,13 +2879,11 @@ asmlinkage void __sched schedule(void)
         * schedule() atomically, we ignore that path for now.
         * Otherwise, whine if we are scheduling when we should not be.
         */
-       if (likely(!current->exit_state)) {
-               if (unlikely(in_atomic())) {
-                       printk(KERN_ERR "BUG: scheduling while atomic: "
-                               "%s/0x%08x/%d\n",
-                               current->comm, preempt_count(), current->pid);
-                       dump_stack();
-               }
+       if (unlikely(in_atomic() && !current->exit_state)) {
+               printk(KERN_ERR "BUG: scheduling while atomic: "
+                       "%s/0x%08x/%d\n",
+                       current->comm, preempt_count(), current->pid);
+               dump_stack();
        }
        profile_hit(SCHED_PROFILING, __builtin_return_address(0));