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authorNicolas Pitre <nicolas.pitre@linaro.org>2017-06-14 13:19:23 -0400
committerIngo Molnar <mingo@kernel.org>2017-06-23 10:46:44 +0200
commite1d4eeec5aaa28d25f249c0195b0e1d9b9feb7bd (patch)
treeaef30c8669d5220465593bb4e0d06d276ce015fc /init
parent387bc8b5536eeb0a92f4b4ab553539eaea2ac0ba (diff)
downloadlinux-e1d4eeec5aaa28d25f249c0195b0e1d9b9feb7bd.tar.bz2
sched/cpuset: Only offer CONFIG_CPUSETS if SMP is enabled
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>
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 1d3475fc9496..c359038ebeed 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -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