Re: [PATCH 1/3] Move zone_reclaim() outside of CONFIG_NUMA

[Andrew Morton]

On Tue, 30 Nov 2010 15:45:12 +0530
Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx> wrote:

> This patch moves zone_reclaim and associated helpers
> outside CONFIG_NUMA. This infrastructure is reused
> in the patches for page cache control that follow.
> 

Thereby adding a nice dollop of bloat to everyone's kernel.  I don't
think that is justifiable given that the audience for this feature is
about eight people :(

How's about CONFIG_UNMAPPED_PAGECACHE_CONTROL?

Also this patch instantiates sysctl_min_unmapped_ratio and
sysctl_min_slab_ratio on non-NUMA builds but fails to make those
tunables actually tunable in procfs.  Changes to sysctl.c are
needed.

> Reviewed-by: Christoph Lameter <cl@xxxxxxxxx>

More careful reviewers, please.
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