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cpusets: allow cpusets to be configured/built on non-SMP systems

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Allow cpusets to be configured/built on non-SMP systems

Currently it's impossible to build cpusets under UML on x86-64, since
cpusets depends on SMP and x86-64 UML doesn't support SMP.

There's code in cpusets that doesn't depend on SMP.  This patch surrounds
the minimum amount of cpusets code with #ifdef CONFIG_SMP in order to
allow cpusets to build/run on UP systems (for testing purposes under UML).

Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Paul Menage <menage@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Paul Menage
2009-04-02 16:57:55 -07:00
committed by Linus Torvalds
parent a1bc5a4eee
commit db7f47cf48
2 changed files with 16 additions and 1 deletions
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init/Kconfig
+1 -1
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@@ -531,7 +531,7 @@ config CGROUP_DEVICE
config CPUSETS
bool "Cpuset support"
depends on SMP && CGROUPS
depends on CGROUPS
help
This option will let you create and manage CPUSETs which
allow dynamically partitioning a system into sets of CPUs and