diff options
Diffstat (limited to 'mm/slab_common.c')
| -rw-r--r-- | mm/slab_common.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c index c126e6f6b5a5..1c673c323baf 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -575,7 +575,7 @@ EXPORT_SYMBOL_GPL(kmem_valid_obj); * depends on the type of object and on how much debugging is enabled. * For a slab-cache object, the fact that it is a slab object is printed, * and, if available, the slab name, return address, and stack trace from - * the allocation of that object. + * the allocation and last free path of that object. * * This function will splat if passed a pointer to a non-slab object. * If you are not sure what type of object you have, you should instead @@ -620,6 +620,16 @@ void kmem_dump_obj(void *object) break; pr_info(" %pS\n", kp.kp_stack[i]); } + + if (kp.kp_free_stack[0]) + pr_cont(" Free path:\n"); + + for (i = 0; i < ARRAY_SIZE(kp.kp_free_stack); i++) { + if (!kp.kp_free_stack[i]) + break; + pr_info(" %pS\n", kp.kp_free_stack[i]); + } + } EXPORT_SYMBOL_GPL(kmem_dump_obj); #endif |