[RESEND PATCH v10 1/6] arm: arm64: introduce CONFIG_HAVE_MEMBLOCK_PFN_VALID
From: Jia He <hidden>
Date: 2018-07-06 09:01:56
Also in:
linux-mm, lkml
Subsystem:
arm port, arm64 port (aarch64 architecture), memory management, memory management - core, the rest · Maintainers:
Russell King, Catalin Marinas, Will Deacon, Andrew Morton, David Hildenbrand, Linus Torvalds
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 <redacted> Reviewed-by: Pavel Tatashin <redacted> --- 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 94af022..28fcf54 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