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| author | Al Viro <viro@parcelfarce.linux.theplanet.co.uk> | 2005-11-13 16:06:56 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-13 18:14:13 -0800 |
| commit | 10ebffde3d3916026974352b7900e44afe2b243f (patch) | |
| tree | ac88fa33694f5bea1b6958e1e56bcd4c9b95b002 /kernel/sched.c | |
| parent | a1261f54611ec4ad6a7ab7080f86747e3ac3685b (diff) | |
| download | lwn-10ebffde3d3916026974352b7900e44afe2b243f.tar.gz lwn-10ebffde3d3916026974352b7900e44afe2b243f.zip | |
[PATCH] m68k: introduce setup_thread_stack() and end_of_stack()
encapsulates the rest of arch-dependent operations with thread_info access.
Two new helpers - setup_thread_stack() and end_of_stack(). For normal case
the former consists of copying thread_info of parent to new thread_info and
the latter returns pointer immediately past the end of thread_info.
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 831f7e9d8f1c..6f46c94cc29e 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -4327,10 +4327,10 @@ static void show_task(task_t *p) #endif #ifdef CONFIG_DEBUG_STACK_USAGE { - unsigned long *n = (unsigned long *) (p->thread_info+1); + unsigned long *n = end_of_stack(p); while (!*n) n++; - free = (unsigned long) n - (unsigned long)(p->thread_info+1); + free = (unsigned long)n - (unsigned long)end_of_stack(p); } #endif printk("%5lu %5d %6d ", free, p->pid, p->parent->pid); |