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-rw-r--r--kernel/fork.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index bf582f75014b..3b5dcf9a66aa 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -820,17 +820,17 @@ static void posix_cpu_timers_init_group(struct signal_struct *sig)
820static int copy_signal(unsigned long clone_flags, struct task_struct *tsk) 820static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
821{ 821{
822 struct signal_struct *sig; 822 struct signal_struct *sig;
823 int ret;
824 823
825 if (clone_flags & CLONE_THREAD) { 824 if (clone_flags & CLONE_THREAD) {
826 ret = thread_group_cputime_clone_thread(current); 825 atomic_inc(&current->signal->count);
827 if (likely(!ret)) { 826 atomic_inc(&current->signal->live);
828 atomic_inc(&current->signal->count); 827 return 0;
829 atomic_inc(&current->signal->live);
830 }
831 return ret;
832 } 828 }
833 sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL); 829 sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL);
830
831 if (sig)
832 posix_cpu_timers_init_group(sig);
833
834 tsk->signal = sig; 834 tsk->signal = sig;
835 if (!sig) 835 if (!sig)
836 return -ENOMEM; 836 return -ENOMEM;
@@ -854,21 +854,20 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
854 sig->tty_old_pgrp = NULL; 854 sig->tty_old_pgrp = NULL;
855 sig->tty = NULL; 855 sig->tty = NULL;
856 856
857 sig->cutime = sig->cstime = cputime_zero; 857 sig->utime = sig->stime = sig->cutime = sig->cstime = cputime_zero;
858 sig->gtime = cputime_zero; 858 sig->gtime = cputime_zero;
859 sig->cgtime = cputime_zero; 859 sig->cgtime = cputime_zero;
860 sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0; 860 sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0;
861 sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0; 861 sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0;
862 sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0; 862 sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0;
863 task_io_accounting_init(&sig->ioac); 863 task_io_accounting_init(&sig->ioac);
864 sig->sum_sched_runtime = 0;
864 taskstats_tgid_init(sig); 865 taskstats_tgid_init(sig);
865 866
866 task_lock(current->group_leader); 867 task_lock(current->group_leader);
867 memcpy(sig->rlim, current->signal->rlim, sizeof sig->rlim); 868 memcpy(sig->rlim, current->signal->rlim, sizeof sig->rlim);
868 task_unlock(current->group_leader); 869 task_unlock(current->group_leader);
869 870
870 posix_cpu_timers_init_group(sig);
871
872 acct_init_pacct(&sig->pacct); 871 acct_init_pacct(&sig->pacct);
873 872
874 tty_audit_fork(sig); 873 tty_audit_fork(sig);
@@ -904,7 +903,7 @@ static void copy_flags(unsigned long clone_flags, struct task_struct *p)
904 clear_freeze_flag(p); 903 clear_freeze_flag(p);
905} 904}
906 905
907asmlinkage long sys_set_tid_address(int __user *tidptr) 906SYSCALL_DEFINE1(set_tid_address, int __user *, tidptr)
908{ 907{
909 current->clear_child_tid = tidptr; 908 current->clear_child_tid = tidptr;
910 909
@@ -1010,6 +1009,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
1010 * triggers too late. This doesn't hurt, the check is only there 1009 * triggers too late. This doesn't hurt, the check is only there
1011 * to stop root fork bombs. 1010 * to stop root fork bombs.
1012 */ 1011 */
1012 retval = -EAGAIN;
1013 if (nr_threads >= max_threads) 1013 if (nr_threads >= max_threads)
1014 goto bad_fork_cleanup_count; 1014 goto bad_fork_cleanup_count;
1015 1015
@@ -1093,7 +1093,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
1093#ifdef CONFIG_DEBUG_MUTEXES 1093#ifdef CONFIG_DEBUG_MUTEXES
1094 p->blocked_on = NULL; /* not blocked yet */ 1094 p->blocked_on = NULL; /* not blocked yet */
1095#endif 1095#endif
1096 if (unlikely(ptrace_reparented(current))) 1096 if (unlikely(current->ptrace))
1097 ptrace_fork(p, clone_flags); 1097 ptrace_fork(p, clone_flags);
1098 1098
1099 /* Perform scheduler related setup. Assign this task to a CPU. */ 1099 /* Perform scheduler related setup. Assign this task to a CPU. */
@@ -1601,7 +1601,7 @@ static int unshare_fd(unsigned long unshare_flags, struct files_struct **new_fdp
1601 * constructed. Here we are modifying the current, active, 1601 * constructed. Here we are modifying the current, active,
1602 * task_struct. 1602 * task_struct.
1603 */ 1603 */
1604asmlinkage long sys_unshare(unsigned long unshare_flags) 1604SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags)
1605{ 1605{
1606 int err = 0; 1606 int err = 0;
1607 struct fs_struct *fs, *new_fs = NULL; 1607 struct fs_struct *fs, *new_fs = NULL;