Re: [QUICKLIST 0/6] Arch independent quicklists V1

[Andrew Morton]

> On Thu, 15 Mar 2007 00:31:18 -0700 (PDT) David Miller <davem@xxxxxxxxxxxxx> wrote:
> From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Date: Thu, 15 Mar 2007 00:22:49 -0800
> 
> > So...  what would happen if sparc64 were to use neither quicklists nor
> > slab?  Just grab these pages from the page allocator and clear them?
> 
> The page table allocator is heavier weight than the quicklists,
> although obviously not as heavy weight as SLAB.

Spose so, although only in the case where we go into the buddy lists, I hope.

otoh, releasing a cache-hot page into the page allocator makes it available for
other use.

It'd be nice if you could run the numbers sometime, please - if it's OK then
we can remove code...
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