From: Richard Kennedy <richard@rsk.demon.co.uk>
Date: Sun, 23 Nov 2008 14:34:43 +0000 (+0000)
Subject: irq.h: remove padding from irq_desc on 64bits
X-Git-Tag: v2.6.29-rc1~570^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e262a7ba31f0cd4dae225e6d2e9037e5ac6108e8;p=pandora-kernel.git

irq.h: remove padding from irq_desc on 64bits

Impact: reduce struct irq_desc size

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>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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