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sched/cpuset: Only offer CONFIG_CPUSETS if SMP is enabled

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Make CONFIG_CPUSETS=y depend on SMP as this feature makes no sense
on UP. This allows for configuring out cpuset_cpumask_can_shrink()
and task_can_attach() entirely, which shrinks the kernel a bit.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170614171926.8345-2-nicolas.pitre@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Nicolas Pitre
2017-06-14 13:19:23 -04:00
committed by Ingo Molnar
parent 387bc8b553
commit e1d4eeec5a
2 changed files with 4 additions and 4 deletions
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init/Kconfig
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@@ -1156,6 +1156,7 @@ config CGROUP_HUGETLB
config CPUSETS
bool "Cpuset controller"
depends on SMP
help
This option will let you create and manage CPUSETs which
allow dynamically partitioning a system into sets of CPUs and