mapping->i_mmap_writable++;
flush_dcache_mmap_lock(mapping);
/* insert tmp into the share list, just after mpnt */
- vma_prio_tree_add(tmp, mpnt);
+ if (unlikely(tmp->vm_flags & VM_NONLINEAR))
+ vma_nonlinear_insert(tmp,
+ &mapping->i_mmap_nonlinear);
+ else
+ vma_interval_tree_insert_after(tmp, mpnt,
+ &mapping->i_mmap);
flush_dcache_mmap_unlock(mapping);
mutex_unlock(&mapping->i_mmap_mutex);
}
{
int retval;
struct task_struct *p;
- int cgroup_callbacks_done = 0;
if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS))
return ERR_PTR(-EINVAL);
INIT_LIST_HEAD(&p->thread_group);
p->task_works = NULL;
- /* Now that the task is set up, run cgroup callbacks if
- * necessary. We need to run them before the task is visible
- * on the tasklist. */
- cgroup_fork_callbacks(p);
- cgroup_callbacks_done = 1;
-
/* Need tasklist lock for parent etc handling! */
write_lock_irq(&tasklist_lock);
#endif
if (clone_flags & CLONE_THREAD)
threadgroup_change_end(current);
- cgroup_exit(p, cgroup_callbacks_done);
+ cgroup_exit(p, 0);
delayacct_tsk_free(p);
module_put(task_thread_info(p)->exec_domain->module);
bad_fork_cleanup_count:
* requested, no event is reported; otherwise, report if the event
* for the type of forking is enabled.
*/
- if (likely(user_mode(regs)) && !(clone_flags & CLONE_UNTRACED)) {
+ if (!(clone_flags & CLONE_UNTRACED) && likely(user_mode(regs))) {
if (clone_flags & CLONE_VFORK)
trace = PTRACE_EVENT_VFORK;
else if ((clone_flags & CSIGNAL) != SIGCHLD)
return nr;
}
+#ifdef CONFIG_GENERIC_KERNEL_THREAD
+/*
+ * Create a kernel thread.
+ */
+pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
+{
+ return do_fork(flags|CLONE_VM|CLONE_UNTRACED, (unsigned long)fn, NULL,
+ (unsigned long)arg, NULL, NULL);
+}
+#endif
+
#ifndef ARCH_MIN_MMSTRUCT_ALIGN
#define ARCH_MIN_MMSTRUCT_ALIGN 0
#endif