diff options
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 1aecef938822..36cbaa43ac80 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -445,12 +445,12 @@ static void exit_mm(void) * will increment ->nr_threads for each thread in the * group with ->mm != NULL. */ - down_read(&mm->mmap_sem); + mmap_read_lock(mm); core_state = mm->core_state; if (core_state) { struct core_thread self; - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); self.task = current; self.next = xchg(&core_state->dumper.next, &self); @@ -468,14 +468,14 @@ static void exit_mm(void) freezable_schedule(); } __set_current_state(TASK_RUNNING); - down_read(&mm->mmap_sem); + mmap_read_lock(mm); } mmgrab(mm); BUG_ON(mm != current->active_mm); /* more a memory barrier than a real lock */ task_lock(current); current->mm = NULL; - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); enter_lazy_tlb(mm, current); task_unlock(current); mm_update_next_owner(mm); |