arm64: mm: Show bss segment in kernel memory layout

[linux-2.6-block.git] / arch / arm64 / Kconfig

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 4f436220384f847bbdee53cd7a8bce5fa089da61..a578080ae7a09aaa6763c9d7a14571186499ebd0 100644 (file)
--- 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
@@ -76,6 +77,7 @@ 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
@@ -98,6 +100,7 @@ config ARM64
        select SYSCTL_EXCEPTION_TRACE
        select HAVE_CONTEXT_TRACKING
        select HAVE_ARM_SMCCC
+       select OF_NUMA if NUMA && OF
        help
          ARM 64-bit (AArch64) Linux support.
 
@@ -546,6 +549,30 @@ 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