On Fri, 19 Apr 2024, Jianfeng Wang wrote: > slab_out_of_memory() uses count_partial() to get the exact count > of free objects for each node. As it may get called in the slab > allocation path, count_partial_free_approx() can be used to avoid > the risk and overhead of traversing a long partial slab list. > > At the same time, show_slab_objects() still uses count_partial(). > Thus, slub users can still have the option to access the exact > count of objects via sysfs if the overhead is acceptable to them. > > Signed-off-by: Jianfeng Wang <jianfeng.w.wang@xxxxxxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx>