[PATCH] mmput() might sleep
exit_aio() and exit_mmap() can sleep. But it's easy to accidentally call mmput() from inside locks. Cc: Dave Peterson <dsp@llnl.gov> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Родитель
32797f976d
Коммит
0ae26f1b31
|
@ -368,6 +368,8 @@ void fastcall __mmdrop(struct mm_struct *mm)
|
|||
*/
|
||||
void mmput(struct mm_struct *mm)
|
||||
{
|
||||
might_sleep();
|
||||
|
||||
if (atomic_dec_and_test(&mm->mm_users)) {
|
||||
exit_aio(mm);
|
||||
exit_mmap(mm);
|
||||
|
|
Загрузка…
Ссылка в новой задаче