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100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -107,7 +107,7 @@ * Kmemleak configuration and common defines. */ #define MAX_TRACE 16 /* stack trace length */ -#define MSECS_MIN_AGE 5000 /* minimum object age for reporting */ +#define MSECS_MIN_AGE 30000 /* minimum object age for reporting */ #define SECS_FIRST_SCAN 60 /* delay before the first scan */ #define SECS_SCAN_WAIT 600 /* subsequent auto scanning delay */ #define MAX_SCAN_SIZE 4096 /* maximum size of a scanned block */ diff --git a/mm/slab_common.c b/mm/slab_common.c index d5a70a831a2a..73f4668d870d 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -1954,8 +1954,14 @@ void kvfree_call_rcu(struct rcu_head *head, void *ptr) if (!head) might_sleep(); - if (!IS_ENABLED(CONFIG_PREEMPT_RT) && kfree_rcu_sheaf(ptr)) + if (!IS_ENABLED(CONFIG_PREEMPT_RT) && kfree_rcu_sheaf(ptr)) { + /* + * The object is now queued for deferred freeing via an RCU + * sheaf. Tell kmemleak to ignore it. + */ + kmemleak_ignore(ptr); return; + } // Queue the object but don't yet schedule the batch. if (debug_rcu_head_queue(ptr)) { diff --git a/mm/slub.c b/mm/slub.c index 20cb4f3b636d..6bdf409d427e 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -7537,6 +7537,7 @@ static void early_kmem_cache_node_alloc(int node) n = kasan_slab_alloc(kmem_cache_node, n, GFP_KERNEL, false); slab->freelist = get_freepointer(kmem_cache_node, n); slab->inuse = 1; + kmemleak_alloc(n, sizeof(*n), 1, GFP_NOWAIT); kmem_cache_node->node[node] = n; init_kmem_cache_node(n, NULL); inc_slabs_node(kmem_cache_node, node, slab->objects);