On Wed, 14 Apr 2021 18:34:34 +0200 glittao@xxxxxxxxx wrote: > Many stack traces are similar so there are many similar arrays. > Stackdepot saves each unique stack only once. > > Replace field addrs in struct track with depot_stack_handle_t handle. > Use stackdepot to save stack trace. > > The benefits are smaller memory overhead and possibility to aggregate > per-cache statistics in the future using the stackdepot handle > instead of matching stacks manually. Which tree was this prepared against? 5.12's kmem_obj_info() is significantly different from the version you were working on. Please take a look, redo, retest and resend? Thanks.
