diff options
Diffstat (limited to 'fs/coredump.c')
| -rw-r--r-- | fs/coredump.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/coredump.c b/fs/coredump.c index 478a0d810136..7237f07ff6be 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -393,7 +393,7 @@ static int zap_threads(struct task_struct *tsk, struct mm_struct *mm, * of ->siglock provides a memory barrier. * * do_exit: - * The caller holds mm->mmap_sem. This means that the task which + * The caller holds mm->mmap_lock. This means that the task which * uses this mm can't pass exit_mm(), so it can't exit or clear * its ->mm. * @@ -401,7 +401,7 @@ static int zap_threads(struct task_struct *tsk, struct mm_struct *mm, * It does list_replace_rcu(&leader->tasks, ¤t->tasks), * we must see either old or new leader, this does not matter. * However, it can change p->sighand, so lock_task_sighand(p) - * must be used. Since p->mm != NULL and we hold ->mmap_sem + * must be used. Since p->mm != NULL and we hold ->mmap_lock * it can't fail. * * Note also that "g" can be the old leader with ->mm == NULL @@ -445,12 +445,12 @@ static int coredump_wait(int exit_code, struct core_state *core_state) core_state->dumper.task = tsk; core_state->dumper.next = NULL; - if (down_write_killable(&mm->mmap_sem)) + if (mmap_write_lock_killable(mm)) return -EINTR; if (!mm->core_state) core_waiters = zap_threads(tsk, mm, core_state, exit_code); - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); if (core_waiters > 0) { struct core_thread *ptr; |