lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[PATCH] taskstats: kill ->taskstats_lock in favor of ->siglock

Browse Source 
signal_struct is (mostly) protected by ->sighand->siglock, I think we don't
need ->taskstats_lock to protect ->stats.  This also allows us to simplify the
locking in fill_tgid().

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Shailabh Nagar <nagar@watson.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Jay Lan <jlan@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Oleg Nesterov
2006-10-28 10:38:53 -07:00
committed by Linus Torvalds
parent 17b02695b2
commit b8534d7bd8
4 changed files with 13 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/fork.c
View File

@@ -830,7 +830,7 @@ static inline int copy_signal(unsigned long clone_flags, struct task_struct * ts
if (clone_flags & CLONE_THREAD) {
atomic_inc(&current->signal->count);
atomic_inc(&current->signal->live);
taskstats_tgid_alloc(current->signal);
taskstats_tgid_alloc(current);
return 0;
}
sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL);