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Re: [PATCH v3 13/28] slub: create duplicate cache [message #46589 is a reply to message #46588] Tue, 29 May 2012 19:26 Go to previous messageGo to previous message
Christoph Lameter is currently offline  Christoph Lameter
Messages: 123
Registered: September 2006
Senior Member
On Tue, 29 May 2012, Glauber Costa wrote:

> But we really need a page to be filled with objects from the same cgroup, and
> the non-shared objects to be accounted to the right place.

No other subsystem has such a requirement. Even the NUMA nodes are mostly
suggestions and can be ignored by the allocators to use memory from other
pages.

> Otherwise, I don't think we can meet even the lighter of isolation guarantees.

The approach works just fine with NUMA and cpusets. Isolation is mostly
done on the per node boundaries and you already have per node statistics.
 
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