From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Thu, 5 Dec 2013 11:42:09 +0000 (+0100)
Subject: s390/smp: reduce memory consumption of pcpu_devices array
X-Git-Tag: v3.14-rc1~184^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=96619fc1b3d06703113ab4c5cd8c15f35a42dc99;p=pandora-kernel.git

s390/smp: reduce memory consumption of pcpu_devices array

Remove the embedded struct cpu from struct pcpu and replace it with a
pointer instead. The struct cpu now gets allocated when a new cpu gets
detected.

The size of the pcpu_devices array (NR_CPUS * sizeof(struct pcpu)) gets
reduced by nearly 120KB.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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