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-rw-r--r--mm/mempool.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/mempool.c b/mm/mempool.c
index 85efab3da720..79bff63ecf27 100644
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -489,7 +489,7 @@ void mempool_free(void *element, mempool_t *pool)
* ensures that there will be frees which return elements to the
* pool waking up the waiters.
*/
- if (unlikely(pool->curr_nr < pool->min_nr)) {
+ if (unlikely(READ_ONCE(pool->curr_nr) < pool->min_nr)) {
spin_lock_irqsave(&pool->lock, flags);
if (likely(pool->curr_nr < pool->min_nr)) {
add_element(pool, element);