* [PATCH v1] x86/Kconfig: select ARCH_SELECT_MEMORY_MODEL only if FLATMEM and SPARSEMEM are possible
@ 2021-09-29 14:43 David Hildenbrand
0 siblings, 0 replies; only message in thread
From: David Hildenbrand @ 2021-09-29 14:43 UTC (permalink / raw)
To: linux-kernel
Cc: David Hildenbrand, Thomas Gleixner, Ingo Molnar, Borislav Petkov,
H. Peter Anvin, x86, linux-mm
On x86-64 we really only support CONFIG_SPARSEMEM; there is nothing users
can select. So enable the memory model selection (via
CONFIG_ARCH_SELECT_MEMORY_MODEL) only if both, SPARSEMEM and FLATMEM are
possible, which isn't the case on x86-64.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
Cc: linux-mm@kvack.org
Signed-off-by: David Hildenbrand <david@redhat.com>
---
arch/x86/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index ab83c22d274e..50f98dc02ad4 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1611,7 +1611,7 @@ config ARCH_SPARSEMEM_DEFAULT
config ARCH_SELECT_MEMORY_MODEL
def_bool y
- depends on ARCH_SPARSEMEM_ENABLE
+ depends on ARCH_SPARSEMEM_ENABLE && ARCH_FLATMEM_ENABLE
config ARCH_MEMORY_PROBE
bool "Enable sysfs memory/probe interface"
--
2.31.1
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