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SubjectRe: [PATCH] slub: prefetch next freelist pointer in slab_alloc()
On Tue, Jan 24, 2012 at 20:54, Pekka Enberg <> wrote:
> On Fri, 16 Dec 2011, Eric Dumazet wrote:
>>> Recycling a page is a problem, since freelist link chain is hot on
>>> cpu(s) which freed objects, and possibly very cold on cpu currently
>>> owning slab.
> On Fri, 16 Dec 2011, Christoph Lameter wrote:
>> Good idea. How do the tcp benchmarks look after this?
>> Looks sane.
>> Acked-by: Christoph Lameter <>
> Applied, thanks!

m68k/allmodconfig at

mm/slub.c:274: error: implicit declaration of function 'prefetch'

Sorry, didn't notice it earlier due to other build breakage in -next.



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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