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-rw-r--r--kernel/events/core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 2f8f3f103cb4..0ca1f648ac08 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3534,6 +3534,8 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma)
3534 event->mmap_user = get_current_user(); 3534 event->mmap_user = get_current_user();
3535 vma->vm_mm->pinned_vm += event->mmap_locked; 3535 vma->vm_mm->pinned_vm += event->mmap_locked;
3536 3536
3537 perf_event_update_userpage(event);
3538
3537unlock: 3539unlock:
3538 if (!ret) 3540 if (!ret)
3539 atomic_inc(&event->mmap_count); 3541 atomic_inc(&event->mmap_count);