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Message-Id: <20240809-mips-numa-v1-6-568751803bf8@flygoat.com>
Date: Fri, 09 Aug 2024 20:25:06 +0100
From: Jiaxun Yang <jiaxun.yang@...goat.com>
To: "Rafael J. Wysocki" <rafael@...nel.org>, Arnd Bergmann <arnd@...db.de>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
Huacai Chen <chenhuacai@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
linux-mips@...r.kernel.org, Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: [PATCH 6/7] MIPS: generic: Make NUMA available
Enable arch_numa and dependent options for generic and future NUMA
platforms.
Enable SPARSEMEM for 64 bit generic kernel.
Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
---
arch/mips/Kconfig | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 43da6d596e2b..9284a06db2b4 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -140,6 +140,7 @@ choice
config MIPS_GENERIC_KERNEL
bool "Generic board-agnostic MIPS kernel"
+ select ARCH_SPARSEMEM_ENABLE if 64BIT
select MIPS_GENERIC
select BOOT_RAW
select BUILTIN_DTB
@@ -178,6 +179,7 @@ config MIPS_GENERIC_KERNEL
select SYS_SUPPORTS_MIPS16
select SYS_SUPPORTS_MIPS_CPS
select SYS_SUPPORTS_MULTITHREADING
+ select SYS_SUPPORTS_NUMA
select SYS_SUPPORTS_RELOCATABLE
select SYS_SUPPORTS_SMARTMIPS
select SYS_SUPPORTS_ZBOOT
@@ -2599,8 +2601,10 @@ config NUMA
bool "NUMA Support"
depends on SYS_SUPPORTS_NUMA
select SMP
+ select GENERIC_ARCH_NUMA if !SGI_IP27 && !MACH_LOONGSON64
select HAVE_SETUP_PER_CPU_AREA
select NEED_PER_CPU_EMBED_FIRST_CHUNK
+ select USE_PERCPU_NUMA_NODE_ID if GENERIC_ARCH_NUMA
help
Say Y to compile the kernel to support NUMA (Non-Uniform Memory
Access). This option improves performance on systems with more
--
2.46.0
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