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SubjectRe: [PATCH] irq.h remove padding from irq_desc on 64bits

* Richard Kennedy <richard@rsk.demon.co.uk> wrote:

> struct irq_desc : reorder to remove padding on 64bits
>
> shrinks irq_desc to 128 bytes which saves data space & cache lines
>
> On a generic x86_64/SMP build this reduces the reported data size by
> 64k.
>
> Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
>
> ----
> This patch is against 2.628-rc6, built & tested on AMD 64x2 desktop.

nice one - applied to tip/irq/core, thanks Richard!

Ingo


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