Messages in this thread | | | Subject | Re: [PATCH 3/3] dcache: account external names as indirectly reclaimable memory | From | Vlastimil Babka <> | Date | Mon, 16 Apr 2018 21:57:50 +0200 |
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On 04/16/2018 02:27 PM, Michal Hocko wrote: > On Mon 16-04-18 14:06:21, Vlastimil Babka wrote: >> >> For example the percpu (and other) array caches... >> >>> maybe it will turn out that such a large >>> portion of the chache would need to duplicate the state that a >>> completely new cache would be more reasonable. >> >> I'm afraid that's the case, yes. >> >>> Is this worth exploring >>> at least? I mean something like this should help with the fragmentation >>> already AFAIU. Accounting would be just free on top. >> >> Yep. It could be also CONFIG_urable so smaller systems don't need to >> deal with the memory overhead of this. >> >> So do we put it on LSF/MM agenda? > > If you volunteer to lead the discussion, then I do not have any > objections.
Sure, let's add the topic of SLAB_MINIMIZE_WASTE [1] as well.
Something like "Supporting reclaimable kmalloc caches and large non-buddy-sized objects in slab allocators" ?
[1] https://marc.info/?l=linux-mm&m=152156671614796&w=2
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