Thread (16 messages) 16 messages, 4 authors, 2021-10-07

Re: [PATCH v1 1/6] mm/memory_hotplug: remove CONFIG_X86_64_ACPI_NUMA dependency from CONFIG_MEMORY_HOTPLUG

From: Oscar Salvador <osalvador@suse.de>
Date: 2021-10-07 08:09:12
Also in: linux-kselftest, linux-mm, linuxppc-dev, lkml

On Wed, Sep 29, 2021 at 04:35:55PM +0200, David Hildenbrand wrote:
SPARSEMEM is the only possible memory model for x86-64, FLATMEM is not
possible:
	config ARCH_FLATMEM_ENABLE
		def_bool y
		depends on X86_32 && !NUMA

And X86_64_ACPI_NUMA (obviously) only supports x86-64:
	config X86_64_ACPI_NUMA
		def_bool y
		depends on X86_64 && NUMA && ACPI && PCI

Let's just remove the CONFIG_X86_64_ACPI_NUMA dependency, as it does no
longer make sense.

Signed-off-by: David Hildenbrand <redacted>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
quoted hunk ↗ jump to hunk
---
 mm/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/Kconfig b/mm/Kconfig
index d16ba9249bc5..b7fb3f0b485e 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -123,7 +123,7 @@ config ARCH_ENABLE_MEMORY_HOTPLUG
 config MEMORY_HOTPLUG
 	bool "Allow for memory hot-add"
 	select MEMORY_ISOLATION
-	depends on SPARSEMEM || X86_64_ACPI_NUMA
+	depends on SPARSEMEM
 	depends on ARCH_ENABLE_MEMORY_HOTPLUG
 	depends on 64BIT || BROKEN
 	select NUMA_KEEP_MEMINFO if NUMA
-- 
2.31.1
-- 
Oscar Salvador
SUSE Labs
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