diff mbox series

[13/23] exec: Remove unnecessary vmacache_seqnum clear in exec_mmap()

Message ID 28ff7966573c7830f6bc296c1a1fc9a4c7072dc0.1641659630.git.luto@kernel.org (mailing list archive)
State New
Headers show
Series mm, sched: Rework lazy mm handling | expand

Commit Message

Andy Lutomirski Jan. 8, 2022, 4:43 p.m. UTC 
exec_mmap() activates a brand new mm, so vmacache_seqnum is already 0.
Stop zeroing it.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
---
 fs/exec.c | 1 -
 1 file changed, 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/exec.c b/fs/exec.c
index 325dab98bc51..2afa7b0c75f2 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1024,7 +1024,6 @@  static int exec_mmap(struct mm_struct *mm)
 	if (IS_ENABLED(CONFIG_ARCH_WANT_IRQS_OFF_ACTIVATE_MM))
 		local_irq_enable();
 	membarrier_finish_switch_mm(mm);
-	tsk->mm->vmacache_seqnum = 0;
 	vmacache_flush(tsk);
 	task_unlock(tsk);
 	if (old_mm) {