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-rw-r--r--mm/slab_common.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 6ee64d6208b3..73943479a2b7 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -24,6 +24,7 @@
#include <asm/tlbflush.h>
#include <asm/page.h>
#include <linux/memcontrol.h>
+#include <linux/stackdepot.h>
#define CREATE_TRACE_POINTS
#include <trace/events/kmem.h>
@@ -314,9 +315,13 @@ kmem_cache_create_usercopy(const char *name,
* If no slub_debug was enabled globally, the static key is not yet
* enabled by setup_slub_debug(). Enable it if the cache is being
* created with any of the debugging flags passed explicitly.
+ * It's also possible that this is the first cache created with
+ * SLAB_STORE_USER and we should init stack_depot for it.
*/
if (flags & SLAB_DEBUG_FLAGS)
static_branch_enable(&slub_debug_enabled);
+ if (flags & SLAB_STORE_USER)
+ stack_depot_init();
#endif
mutex_lock(&slab_mutex);