Re: [patch 09/10] Remove the SLOB allocator for 2.6.23

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Matt Mackall wrote:
On Tue, Jul 10, 2007 at 11:58:44AM +1000, Nick Piggin wrote:

Just a fancy way of saying roughly that memory waste will increase as
the size of the system increases. But that aspect of it I think is
not really a problem for non-tiny systems anyway because the waste
tends not to be too bad (and possibly the number of active allocations
does not increase O(n) with the size of RAM either).


If active allocations doesn't increase O(n) with the size of RAM,
what's all that RAM for?

If your memory isn't getting used for large VMAs or large amounts of
page cache, that means it's getting used by task structs,
radix_tree_nodes, sockets, dentries, inodes, etc.

Yeah you could be right. Actually you most likey _are_ right for many
workloads.

--
SUSE Labs, Novell Inc.
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