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Subject[PATCH v9 1/6] arm: arm64: introduce CONFIG_HAVE_MEMBLOCK_PFN_VALID
Date
Make CONFIG_HAVE_MEMBLOCK_PFN_VALID a new config option so it can move
memblock_next_valid_pfn to generic code file. All the latter optimizations
are based on this config.

The memblock initialization time on arm/arm64 can benefit from this.

Signed-off-by: Jia He <jia.he@hxt-semitech.com>
---
arch/arm/Kconfig | 4 ++++
arch/arm64/Kconfig | 4 ++++
mm/Kconfig | 3 +++
3 files changed, 11 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 843edfd..7ea2636 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1642,6 +1642,10 @@ config ARCH_SELECT_MEMORY_MODEL
config HAVE_ARCH_PFN_VALID
def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM

+config HAVE_MEMBLOCK_PFN_VALID
+ def_bool y
+ depends on HAVE_ARCH_PFN_VALID
+
config HAVE_GENERIC_GUP
def_bool y
depends on ARM_LPAE
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 42c090c..26d75f4 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -778,6 +778,10 @@ config ARCH_SELECT_MEMORY_MODEL
config HAVE_ARCH_PFN_VALID
def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM

+config HAVE_MEMBLOCK_PFN_VALID
+ def_bool y
+ depends on HAVE_ARCH_PFN_VALID
+
config HW_PERF_EVENTS
def_bool y
depends on ARM_PMU
diff --git a/mm/Kconfig b/mm/Kconfig
index ce95491..2c38080a5 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -137,6 +137,9 @@ config HAVE_MEMBLOCK_NODE_MAP
config HAVE_MEMBLOCK_PHYS_MAP
bool

+config HAVE_MEMBLOCK_PFN_VALID
+ bool
+
config HAVE_GENERIC_GUP
bool

--
1.8.3.1
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