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 <[email protected]> --- 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
