diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 5da96f5df48f..24804f11302d 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -31,8 +31,10 @@ config ARM select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT if CPU_V7 select ARCH_SUPPORTS_ATOMIC_RMW + select ARCH_SUPPORTS_HUGETLBFS if ARM_LPAE select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF + select ARCH_USE_MEMTEST select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU select ARCH_WANT_IPC_PARSE_VERSION select ARCH_WANT_LD_ORPHAN_WARN @@ -76,6 +78,7 @@ config ARM select HAVE_ARCH_SECCOMP_FILTER if AEABI && !OABI_COMPAT select HAVE_ARCH_THREAD_STRUCT_WHITELIST select HAVE_ARCH_TRACEHOOK + select HAVE_ARCH_TRANSPARENT_HUGEPAGE if ARM_LPAE select HAVE_ARM_SMCCC if CPU_V7 select HAVE_EBPF_JIT if !CPU_ENDIAN_BE32 select HAVE_CONTEXT_TRACKING @@ -1293,9 +1296,15 @@ config KASAN_SHADOW_OFFSET config NR_CPUS int "Maximum number of CPUs (2-32)" - range 2 32 + range 2 16 if DEBUG_KMAP_LOCAL + range 2 32 if !DEBUG_KMAP_LOCAL depends on SMP default "4" + help + The maximum number of CPUs that the kernel can support. + Up to 32 CPUs can be supported, or up to 16 if kmap_local() + debugging is enabled, which uses half of the per-CPU fixmap + slots as guard regions. config HOTPLUG_CPU bool "Support for hot-pluggable CPUs" @@ -1321,7 +1330,7 @@ config ARM_PSCI # selected platforms. config ARCH_NR_GPIO int - default 2048 if ARCH_SOCFPGA + default 2048 if ARCH_INTEL_SOCFPGA default 1024 if ARCH_BRCMSTB || ARCH_RENESAS || ARCH_TEGRA || \ ARCH_ZYNQ || ARCH_ASPEED default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || \ @@ -1504,14 +1513,6 @@ config HW_PERF_EVENTS def_bool y depends on ARM_PMU -config SYS_SUPPORTS_HUGETLBFS - def_bool y - depends on ARM_LPAE - -config HAVE_ARCH_TRANSPARENT_HUGEPAGE - def_bool y - depends on ARM_LPAE - config ARCH_WANT_GENERAL_HUGETLB def_bool y |