Re: [PATCH] Move memory controller allocations to their own slabs(v2)

From: Pavel Emelyanov
Date: Tue Mar 11 2008 - 04:44:21 EST


Balbir Singh wrote:
> Pavel Emelyanov wrote:
>> Balbir Singh wrote:
>>> Move the memory controller data structure page_cgroup to its own slab cache.
>>> It saves space on the system, allocations are not necessarily pushed to order
>>> of 2 and should provide performance benefits. Users who disable the memory
>>> controller can also double check that the memory controller is not allocating
>>> page_cgroup's.
>> Can you, please, check how many objects-per-page we have with and
>> without this patch for SLAB and SLUB?
>>
>> Thanks.
>
> I can for objects-per-page with this patch for SLUB and SLAB. I am not sure
> about what to check for without this patch. The machine is temporarily busy,

Well, the objects-per-page without the patch is objects-per-page for
according kmalloc cache :)

> I'll check it once I get it back.
>

Ok, thanks!
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