Messages in this thread | | | Date | Sun, 23 Nov 2008 16:15:07 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] irq.h remove padding from irq_desc on 64bits |
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* 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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