[PATCH 3/3] mm: kmemleak: mark variables as __read_mostly
From: Luiz Capitulino
Date: Wed Apr 30 2025 - 17:16:39 EST
The variables kmemleak_enabled and kmemleak_free_enabled are read in the
kmemleak alloc and free path respectively, but are only written to if/when
kmemleak is disabled.
Signed-off-by: Luiz Capitulino <luizcap@xxxxxxxxxx>
---
mm/kmemleak.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 06baa3475252..da9cee34ee1b 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -210,9 +210,9 @@ static struct kmem_cache *object_cache;
static struct kmem_cache *scan_area_cache;
/* set if tracing memory operations is enabled */
-static int kmemleak_enabled = 1;
+static int kmemleak_enabled __read_mostly = 1;
/* same as above but only for the kmemleak_free() callback */
-static int kmemleak_free_enabled = 1;
+static int kmemleak_free_enabled __read_mostly = 1;
/* set in the late_initcall if there were no errors */
static int kmemleak_late_initialized;
/* set if a fatal kmemleak error has occurred */
--
2.49.0