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mm: kmemleak: mark variables as __read_mostly

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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.

Link: https://lkml.kernel.org/r/4016090e857e8c4c2ade4b20df312f7f38325c15.1746046744.git.luizcap@redhat.com
Signed-off-by: Luiz Capitulino <luizcap@redhat.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Luiz Capitulino 2025-04-30 16:59:47 -04:00 committed by Andrew Morton
parent befbb2540a
commit 0f4286765e
1 changed files with 2 additions and 2 deletions
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4
mm/kmemleak.c
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@ -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 */