From f91ef2223dc425e2e8759a625cffd48dce3503de Mon Sep 17 00:00:00 2001
From: Oscar Salvador <osalvador@suse.de>
Date: Tue, 4 May 2021 18:39:51 -0700
Subject: [PATCH] x86/Kconfig: introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE

Enable x86_64 platform to use the MHP_MEMMAP_ON_MEMORY feature.

Link: https://lkml.kernel.org/r/20210421102701.25051-8-osalvador@suse.de
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/Kconfig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 0bbc157e4bc77e..0045e1b4419021 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2432,6 +2432,9 @@ config ARCH_HAS_ADD_PAGES
 	def_bool y
 	depends on X86_64 && ARCH_ENABLE_MEMORY_HOTPLUG
 
+config ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
+	def_bool y
+
 config USE_PERCPU_NUMA_NODE_ID
 	def_bool y
 	depends on NUMA