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SubjectRe: [PATCH] Move memory controller allocations to their own slabs
Andrew Morton wrote:
> On Tue, 11 Mar 2008 10:01:49 +0530 Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
>
>>
>> Move the memory controller data structures page_cgroup and
>> mem_cgroup_per_zone to their own slab caches. It saves space on the system,
>> allocations are not necessarily pushed to order of 2 and should provide
>> performance benefits.
>
> eh? Those structures are tiny. Which slab allocator has gone and used an
> order-2 allocation and for which structure did it (stupidly) do this?
>
>

When I say order of 2, I meant with kmalloc. They are rounded of to 64, 128 byte
boundary. I wanted to pack these objects more closely.

--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL


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