diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/fork.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index efac2c58ec7d..158710d22566 100644 --- a/kernel/fork.c +++ b/kernel/fork.c | |||
| @@ -470,13 +470,6 @@ static int copy_mm(unsigned long clone_flags, struct task_struct * tsk) | |||
| 470 | if (clone_flags & CLONE_VM) { | 470 | if (clone_flags & CLONE_VM) { |
| 471 | atomic_inc(&oldmm->mm_users); | 471 | atomic_inc(&oldmm->mm_users); |
| 472 | mm = oldmm; | 472 | mm = oldmm; |
| 473 | /* | ||
| 474 | * There are cases where the PTL is held to ensure no | ||
| 475 | * new threads start up in user mode using an mm, which | ||
| 476 | * allows optimizing out ipis; the tlb_gather_mmu code | ||
| 477 | * is an example. | ||
| 478 | */ | ||
| 479 | spin_unlock_wait(&oldmm->page_table_lock); | ||
| 480 | goto good_mm; | 473 | goto good_mm; |
| 481 | } | 474 | } |
| 482 | 475 | ||
