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SubjectRe: 64GB NUMA-Q after pgcl
On Mon, Mar 31, 2003 at 08:35:06PM +0200, Andrea Arcangeli wrote:
>> About you not caring anymore about the mem_map array size, that still
>> matters on the embedded usage, infact rmap on the embedded usage is the
>> biggest waste there, normally they don't even have swap so if something
>> you should use the rmap provided for truncate, rather than wasting
>> memory in the mem_map array.

On Mon, Mar 31, 2003 at 07:41:17PM +0100, Christoph Hellwig wrote:
> We have CONFIG_SWAP for that in 2.5..

I think the rmap allocations currently depend on CONFIG_MMU; IMHO it
can be moved to CONFIG_SWAP if/when objrmap is merged since only
anonymous memory will need pte_chains then, and it can't be evicted.


-- wli
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