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authorVlastimil Babka <vbabka@suse.cz>2023-10-02 16:17:16 +0200
committerVlastimil Babka <vbabka@suse.cz>2023-12-05 11:17:51 +0100
commit72786c0a3dc5d4151469f512909049a0b17ada3d (patch)
tree7e35cc7da63b0ca253f55ce092be12d24fd8d0df /mm/kasan/quarantine.c
parent2a19be61a65157b9c6c25e831392cdefbd0a8940 (diff)
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KASAN: remove code paths guarded by CONFIG_SLAB
With SLAB removed and SLUB the only remaining allocator, we can clean up some code that was depending on the choice. Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Marco Elver <elver@google.com> Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com> Acked-by: David Rientjes <rientjes@google.com> Tested-by: David Rientjes <rientjes@google.com> Reviewed-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Tested-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'mm/kasan/quarantine.c')
-rw-r--r--mm/kasan/quarantine.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c
index ca4529156735..138c57b836f2 100644
--- a/mm/kasan/quarantine.c
+++ b/mm/kasan/quarantine.c
@@ -144,10 +144,6 @@ static void qlink_free(struct qlist_node *qlink, struct kmem_cache *cache)
{
void *object = qlink_to_object(qlink, cache);
struct kasan_free_meta *meta = kasan_get_free_meta(cache, object);
- unsigned long flags;
-
- if (IS_ENABLED(CONFIG_SLAB))
- local_irq_save(flags);
/*
* If init_on_free is enabled and KASAN's free metadata is stored in
@@ -166,9 +162,6 @@ static void qlink_free(struct qlist_node *qlink, struct kmem_cache *cache)
*(u8 *)kasan_mem_to_shadow(object) = KASAN_SLAB_FREE;
___cache_free(cache, object, _THIS_IP_);
-
- if (IS_ENABLED(CONFIG_SLAB))
- local_irq_restore(flags);
}
static void qlist_free_all(struct qlist_head *q, struct kmem_cache *cache)