kasan: remove the unnecessary WARN_ONCE from quarantine.c

[deliverable/linux.git] / mm / kasan / quarantine.c

diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c
index b6728a33a4aca104fde8022b90fdf2df5630af31..baabaad4a4aaa89bb13fc691cf5df58af46c8b3b 100644 (file)
--- a/mm/kasan/quarantine.c
+++ b/mm/kasan/quarantine.c
@@ -217,11 +217,8 @@ void quarantine_reduce(void)
        new_quarantine_size = (READ_ONCE(totalram_pages) << PAGE_SHIFT) /
                QUARANTINE_FRACTION;
        percpu_quarantines = QUARANTINE_PERCPU_SIZE * num_online_cpus();
-       if (WARN_ONCE(new_quarantine_size < percpu_quarantines,
-               "Too little memory, disabling global KASAN quarantine.\n"))
-               new_quarantine_size = 0;
-       else
-               new_quarantine_size -= percpu_quarantines;
+       new_quarantine_size = (new_quarantine_size < percpu_quarantines) ?
+               0 : new_quarantine_size - percpu_quarantines;
        WRITE_ONCE(quarantine_size, new_quarantine_size);
 
        last = global_quarantine.head;