System with a large number of CPUs will benefit from the list batching facility. This patch enables it for x86-64 as 32-bit i386 is not likely to get much gain from it.
Signed-off-by: Waiman Long <[email protected]> --- arch/x86/Kconfig | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 330e738..443e41d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -42,6 +42,7 @@ config X86 select ARCH_SUPPORTS_NUMA_BALANCING if X86_64 select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF if X86_64 + select ARCH_USE_LIST_BATCHING if X86_64 select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS select ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH if SMP -- 1.7.1
