diff options
| -rw-r--r-- | mm/damon/vaddr.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c index 58829baf8b5d..a0036dc78a3b 100644 --- a/mm/damon/vaddr.c +++ b/mm/damon/vaddr.c @@ -126,6 +126,7 @@ static int __damon_va_three_regions(struct mm_struct *mm, * If this is too slow, it can be optimised to examine the maple * tree gaps. */ + rcu_read_lock(); for_each_vma(vmi, vma) { unsigned long gap; @@ -146,6 +147,7 @@ static int __damon_va_three_regions(struct mm_struct *mm, next: prev = vma; } + rcu_read_unlock(); if (!sz_range(&second_gap) || !sz_range(&first_gap)) return -EINVAL; |