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Diffstat (limited to 'arch/arm64/Kconfig')
-rw-r--r--arch/arm64/Kconfig45
1 files changed, 39 insertions, 6 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 4f436220384f..8845c0d100d7 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -11,6 +11,7 @@ config ARM64
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_USE_CMPXCHG_LOCKREF
select ARCH_SUPPORTS_ATOMIC_RMW
+ select ARCH_SUPPORTS_NUMA_BALANCING
select ARCH_WANT_OPTIONAL_GPIOLIB
select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
select ARCH_WANT_FRAME_POINTERS
@@ -58,11 +59,14 @@ config ARM64
select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
+ select HAVE_ARCH_TRANSPARENT_HUGEPAGE
+ select HAVE_ARM_SMCCC
select HAVE_BPF_JIT
select HAVE_C_RECORDMCOUNT
select HAVE_CC_STACKPROTECTOR
select HAVE_CMPXCHG_DOUBLE
select HAVE_CMPXCHG_LOCAL
+ select HAVE_CONTEXT_TRACKING
select HAVE_DEBUG_BUGVERBOSE
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_API_DEBUG
@@ -76,6 +80,7 @@ config ARM64
select HAVE_HW_BREAKPOINT if PERF_EVENTS
select HAVE_IRQ_TIME_ACCOUNTING
select HAVE_MEMBLOCK
+ select HAVE_MEMBLOCK_NODE_MAP if NUMA
select HAVE_PATA_PLATFORM
select HAVE_PERF_EVENTS
select HAVE_PERF_REGS
@@ -89,15 +94,13 @@ config ARM64
select NO_BOOTMEM
select OF
select OF_EARLY_FLATTREE
+ select OF_NUMA if NUMA && OF
select OF_RESERVED_MEM
select PERF_USE_VMALLOC
select POWER_RESET
select POWER_SUPPLY
- select RTC_LIB
select SPARSE_IRQ
select SYSCTL_EXCEPTION_TRACE
- select HAVE_CONTEXT_TRACKING
- select HAVE_ARM_SMCCC
help
ARM 64-bit (AArch64) Linux support.
@@ -546,10 +549,35 @@ config HOTPLUG_CPU
Say Y here to experiment with turning CPUs off and on. CPUs
can be controlled through /sys/devices/system/cpu.
+# Common NUMA Features
+config NUMA
+ bool "Numa Memory Allocation and Scheduler Support"
+ depends on SMP
+ help
+ Enable NUMA (Non Uniform Memory Access) support.
+
+ The kernel will try to allocate memory used by a CPU on the
+ local memory of the CPU and add some more
+ NUMA awareness to the kernel.
+
+config NODES_SHIFT
+ int "Maximum NUMA Nodes (as a power of 2)"
+ range 1 10
+ default "2"
+ depends on NEED_MULTIPLE_NODES
+ help
+ Specify the maximum number of NUMA Nodes available on the target
+ system. Increases memory reserved to accommodate various tables.
+
+config USE_PERCPU_NUMA_NODE_ID
+ def_bool y
+ depends on NUMA
+
source kernel/Kconfig.preempt
source kernel/Kconfig.hz
config ARCH_SUPPORTS_DEBUG_PAGEALLOC
+ depends on !HIBERNATION
def_bool y
config ARCH_HAS_HOLES_MEMORYMODEL
@@ -578,9 +606,6 @@ config SYS_SUPPORTS_HUGETLBFS
config ARCH_WANT_HUGE_PMD_SHARE
def_bool y if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36)
-config HAVE_ARCH_TRANSPARENT_HUGEPAGE
- def_bool y
-
config ARCH_HAS_CACHE_LINE_SIZE
def_bool y
@@ -953,6 +978,14 @@ menu "Power management options"
source "kernel/power/Kconfig"
+config ARCH_HIBERNATION_POSSIBLE
+ def_bool y
+ depends on CPU_PM
+
+config ARCH_HIBERNATION_HEADER
+ def_bool y
+ depends on HIBERNATION
+
config ARCH_SUSPEND_POSSIBLE
def_bool y