From: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/kernel/fork.c | 12 +++++++-----
1 files changed, 7 insertions(+), 5 deletions(-)
diff -puN kernel/fork.c~kernelthread-idle-fix kernel/fork.c
--- 25/kernel/fork.c~kernelthread-idle-fix 2004-07-11 21:44:47.960193520 -0700
+++ 25-akpm/kernel/fork.c 2004-07-11 21:44:47.965192760 -0700
@@ -1215,11 +1215,13 @@ long do_fork(unsigned long clone_flags,
set_tsk_thread_flag(p, TIF_SIGPENDING);
}
- if (!(clone_flags & CLONE_STOPPED))
- wake_up_new_task(p, clone_flags);
- else
- p->state = TASK_STOPPED;
- ++total_forks;
+ if (likely(!(clone_flags & CLONE_IDLETASK))) {
+ if (!(clone_flags & CLONE_STOPPED))
+ wake_up_new_task(p, clone_flags);
+ else
+ p->state = TASK_STOPPED;
+ ++total_forks;
+ }
if (unlikely (trace)) {
current->ptrace_message = pid;
_