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authorAnton Blanchard <anton@samba.org>2015-01-20 10:24:22 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2015-01-21 15:10:24 +1100
commit36c7bfc4d0f046887d6d73eba430ac6551383849 (patch)
treec41c5d0cf38251d4b0f81acbe2385a84736921ab /arch/powerpc/configs/pseries_defconfig
parentafda939f0ae63723250734e1365e4ead97f8a2b1 (diff)
powerpc: Enable KSM on pseries and ppc64 defconfigs
KSM will only be used on areas marked for merging via madvise, and it is showing nice improvements on KVM workloads, so enable it by default. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/configs/pseries_defconfig')
-rw-r--r--arch/powerpc/configs/pseries_defconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index ffd4bbd483f9..7677850e2b07 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -46,6 +46,7 @@ CONFIG_KEXEC=y
CONFIG_IRQ_ALL_CPUS=y
CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTREMOVE=y
+CONFIG_KSM=y
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_PPC_64K_PAGES=y
CONFIG_PPC_SUBPAGE_PROT=y