aboutsummaryrefslogtreecommitdiffstats
path: root/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'kernel')
-rw-r--r--kernel/fork.c7
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