Messages in this thread | | | Date | Fri, 19 Apr 2024 17:18:44 -0700 (PDT) | From | David Rientjes <> | Subject | Re: [PATCH v3 2/2] slub: use count_partial_free_approx() in slab_out_of_memory() |
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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@oracle.com>
Acked-by: David Rientjes <rientjes@google.com>
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