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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-06-26 13:33:00 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-06-26 13:33:00 -0700 |
| commit | cef2dd76531fda106fa698b6b7ee3e87b1622c08 (patch) | |
| tree | f801cbdc7d595f6e5f2949eac40075701e381adc /lib | |
| parent | a0433f8cae3ac51f59b4b1863032822aaa2d8164 (diff) | |
| parent | 8b64d420fe2450f82848178506d3e3a0bd195539 (diff) | |
Merge tag 'core-debugobjects-2023-06-26' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull debugobjects update from Thomas Gleixner:
"A single update for debug objects:
- Recheck whether debug objects is enabled before reporting a problem
to avoid spamming the logs with messages which are caused by a
concurrent OOM"
* tag 'core-debugobjects-2023-06-26' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tip/tip:
debugobjects: Recheck debug_objects_enabled before reporting
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/debugobjects.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/debugobjects.c b/lib/debugobjects.c index 984985c39c9b..a517256a270b 100644 --- a/lib/debugobjects.c +++ b/lib/debugobjects.c @@ -498,6 +498,15 @@ static void debug_print_object(struct debug_obj *obj, char *msg) const struct debug_obj_descr *descr = obj->descr; static int limit; + /* + * Don't report if lookup_object_or_alloc() by the current thread + * failed because lookup_object_or_alloc()/debug_objects_oom() by a + * concurrent thread turned off debug_objects_enabled and cleared + * the hash buckets. + */ + if (!debug_objects_enabled) + return; + if (limit < 5 && descr != descr_test) { void *hint = descr->debug_hint ? descr->debug_hint(obj->object) : NULL; |