Messages in this thread | | | Date | Sun, 9 May 2021 21:46:03 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] mm/slub: use stackdepot to save stack trace in objects |
| |
On Wed, 14 Apr 2021 18:34:34 +0200 glittao@gmail.com 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.
| |