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s390/smp: improve setup of possible cpu mask
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 16 Dec 2013 13:31:26 +0000 (14:31 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 18 Dec 2013 16:35:18 +0000 (17:35 +0100)
Since under z/VM we cannot have more than 64 cpus, make sure the
cpu_possible_mask does not contain more bits.
This avoids wasting memory for dynamic per-cpu allocations if
CONFIG_NR_CPUS is larger than 64.

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

diff --cc arch/s390/Kconfig
Simple merge
diff --cc arch/s390/include/asm/smp.h
Simple merge
diff --cc arch/s390/kernel/setup.c
Simple merge
diff --cc arch/s390/kernel/smp.c
Simple merge
Pandora Kernel Repository