diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-04 12:58:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-04 12:58:33 -0700 |
| commit | 28e92f990337b8b4c5fdec47667f8b96089c503e (patch) | |
| tree | 0dc55280883e7262d831ad24deb3a4fd2a56031a /mm/slab_common.c | |
| parent | da803f82faa5ceeff34aa56c08ceba5384e44e47 (diff) | |
| parent | 641faf1b9064c270a476a424e60063bb05df3ee9 (diff) | |
| download | linux-28e92f990337b8b4c5fdec47667f8b96089c503e.tar.gz linux-28e92f990337b8b4c5fdec47667f8b96089c503e.tar.bz2 linux-28e92f990337b8b4c5fdec47667f8b96089c503e.zip | |
Merge branch 'core-rcu-2021.07.04' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU updates from Paul McKenney:
- Bitmap parsing support for "all" as an alias for all bits
- Documentation updates
- Miscellaneous fixes, including some that overlap into mm and lockdep
- kvfree_rcu() updates
- mem_dump_obj() updates, with acks from one of the slab-allocator
maintainers
- RCU NOCB CPU updates, including limited deoffloading
- SRCU updates
- Tasks-RCU updates
- Torture-test updates
* 'core-rcu-2021.07.04' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (78 commits)
tasks-rcu: Make show_rcu_tasks_gp_kthreads() be static inline
rcu-tasks: Make ksoftirqd provide RCU Tasks quiescent states
rcu: Add missing __releases() annotation
rcu: Remove obsolete rcu_read_unlock() deadlock commentary
rcu: Improve comments describing RCU read-side critical sections
rcu: Create an unrcu_pointer() to remove __rcu from a pointer
srcu: Early test SRCU polling start
rcu: Fix various typos in comments
rcu/nocb: Unify timers
rcu/nocb: Prepare for fine-grained deferred wakeup
rcu/nocb: Only cancel nocb timer if not polling
rcu/nocb: Delete bypass_timer upon nocb_gp wakeup
rcu/nocb: Cancel nocb_timer upon nocb_gp wakeup
rcu/nocb: Allow de-offloading rdp leader
rcu/nocb: Directly call __wake_nocb_gp() from bypass timer
rcu: Don't penalize priority boosting when there is nothing to boost
rcu: Point to documentation of ordering guarantees
rcu: Make rcu_gp_cleanup() be noinline for tracing
rcu: Restrict RCU_STRICT_GRACE_PERIOD to at most four CPUs
rcu: Make show_rcu_gp_kthreads() dump rcu_node structures blocking GP
...
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 |