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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-06 19:23:33 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-06 19:23:33 +0100
commit65b2074f84be2287e020839e93b4cdaaf60eb37c (patch)
treed020c3c37fa5b112ee531b324214236bef9feec6 /kernel/fork.c
parentMerge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kern... (diff)
parentsched: Change wait_for_completion_*_timeout() to return a signed long (diff)
downloadlinux-65b2074f84be2287e020839e93b4cdaaf60eb37c.tar.xz
linux-65b2074f84be2287e020839e93b4cdaaf60eb37c.zip
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (30 commits) sched: Change wait_for_completion_*_timeout() to return a signed long sched, autogroup: Fix reference leak sched, autogroup: Fix potential access to freed memory sched: Remove redundant CONFIG_CGROUP_SCHED ifdef sched: Fix interactivity bug by charging unaccounted run-time on entity re-weight sched: Move periodic share updates to entity_tick() printk: Use this_cpu_{read|write} api on printk_pending sched: Make pushable_tasks CONFIG_SMP dependant sched: Add 'autogroup' scheduling feature: automated per session task groups sched: Fix unregister_fair_sched_group() sched: Remove unused argument dest_cpu to migrate_task() mutexes, sched: Introduce arch_mutex_cpu_relax() sched: Add some clock info to sched_debug cpu: Remove incorrect BUG_ON cpu: Remove unused variable sched: Fix UP build breakage sched: Make task dump print all 15 chars of proc comm sched: Update tg->shares after cpu.shares write sched: Allow update_cfs_load() to update global load sched: Implement demand based update_cfs_load() ...
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 5447dc7defa9..7d164e25b0f0 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -174,8 +174,10 @@ static inline void free_signal_struct(struct signal_struct *sig)
static inline void put_signal_struct(struct signal_struct *sig)
{
- if (atomic_dec_and_test(&sig->sigcnt))
+ if (atomic_dec_and_test(&sig->sigcnt)) {
+ sched_autogroup_exit(sig);
free_signal_struct(sig);
+ }
}
void __put_task_struct(struct task_struct *tsk)
@@ -905,6 +907,7 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
posix_cpu_timers_init_group(sig);
tty_audit_fork(sig);
+ sched_autogroup_fork(sig);
sig->oom_adj = current->signal->oom_adj;
sig->oom_score_adj = current->signal->oom_score_adj;
@@ -1315,7 +1318,7 @@ bad_fork_cleanup_mm:
}
bad_fork_cleanup_signal:
if (!(clone_flags & CLONE_THREAD))
- free_signal_struct(p->signal);
+ put_signal_struct(p->signal);
bad_fork_cleanup_sighand:
__cleanup_sighand(p->sighand);
bad_fork_cleanup_fs: