Re: [RFC] Limit the size of the pagecache

[Andrew Morton]

On Wed, 24 Jan 2007 15:03:23 +1100
Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:

> 
> Yeah, it will be failing at order=4, because the allocator won't try
> very hard reclaim pagecache pages at that cutoff point. This needs to
> be fixed in the allocator.

A simple and perhaps sufficient fix for this nommu problem would be to replace
the magic "3" in __alloc_pages() with a tunable.
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