diff options
Diffstat (limited to 'arch/loongarch/Kconfig')
| -rw-r--r-- | arch/loongarch/Kconfig | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index 85ef258d36d2..80657bf83b05 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -7,6 +7,7 @@ config LOONGARCH select ARCH_ENABLE_MEMORY_HOTPLUG select ARCH_ENABLE_MEMORY_HOTREMOVE select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI + select ARCH_HAS_PHYS_TO_DMA select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_INLINE_READ_LOCK if !PREEMPTION @@ -41,6 +42,7 @@ config LOONGARCH select ARCH_SUPPORTS_ACPI select ARCH_SUPPORTS_ATOMIC_RMW select ARCH_SUPPORTS_HUGETLBFS + select ARCH_SUPPORTS_NUMA_BALANCING select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF select ARCH_USE_QUEUED_RWLOCKS @@ -91,12 +93,15 @@ config LOONGARCH select HAVE_PERF_EVENTS select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_RSEQ + select HAVE_SETUP_PER_CPU_AREA if NUMA select HAVE_SYSCALL_TRACEPOINTS select HAVE_TIF_NOHZ select HAVE_VIRT_CPU_ACCOUNTING_GEN if !SMP select IRQ_FORCED_THREADING select IRQ_LOONGARCH_CPU select MODULES_USE_ELF_RELA if MODULES + select NEED_PER_CPU_EMBED_FIRST_CHUNK + select NEED_PER_CPU_PAGE_FIRST_CHUNK select OF select OF_EARLY_FLATTREE select PERF_USE_VMALLOC @@ -105,6 +110,7 @@ config LOONGARCH select SYSCTL_EXCEPTION_TRACE select SWIOTLB select TRACE_IRQFLAGS_SUPPORT + select USE_PERCPU_NUMA_NODE_ID select ZONE_DMA32 config 32BIT @@ -335,6 +341,20 @@ config NR_CPUS This allows you to specify the maximum number of CPUs which this kernel will support. +config NUMA + bool "NUMA Support" + select ACPI_NUMA if ACPI + help + Say Y to compile the kernel with NUMA (Non-Uniform Memory Access) + support. This option improves performance on systems with more + than one NUMA node; on single node systems it is generally better + to leave it disabled. + +config NODES_SHIFT + int + default "6" + depends on NUMA + config FORCE_MAX_ZONEORDER int "Maximum zone order" range 14 64 if PAGE_SIZE_64KB @@ -381,6 +401,7 @@ config ARCH_SELECT_MEMORY_MODEL config ARCH_FLATMEM_ENABLE def_bool y + depends on !NUMA config ARCH_SPARSEMEM_ENABLE def_bool y |