Messages in this thread Patch in this message | | | From | Ingo Molnar <> | Subject | [PATCH 15/33] sched, numa, mm, arch: Add variable locality exception | Date | Thu, 22 Nov 2012 23:49:36 +0100 |
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From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Some architectures (ab)use NUMA to represent different memory regions all cpu-local but of different latencies, such as SuperH.
The naming comes from Mel Gorman.
Named-by: Mel Gorman <mgorman@suse.de> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Rik van Riel <riel@redhat.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Hugh Dickins <hughd@google.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> --- arch/sh/mm/Kconfig | 1 + init/Kconfig | 7 +++++++ 2 files changed, 8 insertions(+)
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index cb8f992..5d2a4df 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -111,6 +111,7 @@ config VSYSCALL config NUMA bool "Non Uniform Memory Access (NUMA) Support" depends on MMU && SYS_SUPPORTS_NUMA && EXPERIMENTAL + select ARCH_WANTS_NUMA_VARIABLE_LOCALITY default n help Some SH systems have many various memories scattered around diff --git a/init/Kconfig b/init/Kconfig index f36c83d..b8a4a58 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -718,6 +718,13 @@ config ARCH_USES_NUMA_GENERIC_PGPROT_HUGEPAGE depends on ARCH_USES_NUMA_GENERIC_PGPROT depends on TRANSPARENT_HUGEPAGE +# +# For architectures that (ab)use NUMA to represent different memory regions +# all cpu-local but of different latencies, such as SuperH. +# +config ARCH_WANTS_NUMA_VARIABLE_LOCALITY + bool + menuconfig CGROUPS boolean "Control Group support" depends on EVENTFD -- 1.7.11.7
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