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

[Nick Piggin]

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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