On Wed, 31 Aug 2022 at 16:04, Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx> wrote: > Maybe you can include those functions too? > > - __kmem_cache_alloc_node > - kmalloc_[node_]trace, kmalloc_large[_node] This is only required if they are allocator "root" functions when entering allocator code (or may be tail called by a allocator "root" function). Because get_stack_skipnr() looks for one of the listed function prefixes in the whole stack trace. The reason __kmem_cache_free() is now required is because it is tail called by kfree() which disappears from the stack trace if the compiler does tail-call-optimization.
