wuchi a1014fbc83 lib/debugobjects: fix stat count and optimize debug_objects_mem_init
[ Upstream commit eabb7f1ace53e127309407b2b5e74e8199e85270 ]

1. Var debug_objects_allocated tracks valid kmem_cache_alloc calls, so
   track it in debug_objects_replace_static_objects.  Do similar things in
   object_cpu_offline.

2. In debug_objects_mem_init, there is no need to call function
   cpuhp_setup_state_nocalls when debug_objects_enabled = 0 (out of
   memory).

Link: https://lkml.kernel.org/r/20220611130634.99741-1-wuchi.zero@gmail.com
Fixes: 634d61f45d6f ("debugobjects: Percpu pool lookahead freeing/allocation")
Fixes: c4b73aabd098 ("debugobjects: Track number of kmem_cache_alloc/kmem_cache_free done")
Signed-off-by: wuchi <wuchi.zero@gmail.com>
Reviewed-by: Waiman Long <longman@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-01-14 10:15:16 +01:00
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