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s390/topology: convert cpu_topology array to per cpu variable
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Wed, 4 Feb 2015 13:48:25 +0000 (14:48 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 12 Feb 2015 08:37:22 +0000 (09:37 +0100)
Convert the per cpu topology cpu masks to a per cpu variable.
At least for machines which do have less possible cpus than NR_CPUS this can
save a bit of memory (z/VM: max 64 vs 512 for performance_defconfig).

This reduces the kernel image size by 100k.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/topology.h patch | blob | history
arch/s390/kernel/topology.c patch | blob | history

diff --cc arch/s390/include/asm/topology.h
Simple merge
diff --cc arch/s390/kernel/topology.c
Simple merge
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