+ x86-kconfig-introduce-arch_mhp_memmap_on_memory_enable.patch added to -mm tree

[akpm@linux-foundation.org]

The patch titled
     Subject: x86/Kconfig: introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
has been added to the -mm tree.  Its filename is
     x86-kconfig-introduce-arch_mhp_memmap_on_memory_enable.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/x86-kconfig-introduce-arch_mhp_memmap_on_memory_enable.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/x86-kconfig-introduce-arch_mhp_memmap_on_memory_enable.patch

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------------------------------------------------------
From: Oscar Salvador <osalvador@suse.de>
Subject: 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/20210309175546.5877-5-osalvador@suse.de
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/x86/Kconfig |    3 +++
 1 file changed, 3 insertions(+)

--- a/arch/x86/Kconfig~x86-kconfig-introduce-arch_mhp_memmap_on_memory_enable
+++ a/arch/x86/Kconfig
@@ -2434,6 +2434,9 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE
 	def_bool y
 	depends on MEMORY_HOTPLUG
 
+config ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
+	def_bool y
+
 config USE_PERCPU_NUMA_NODE_ID
 	def_bool y
 	depends on NUMA
_

Patches currently in -mm which might be from osalvador@suse.de are

x86-vmemmap-drop-handling-of-4k-unaligned-vmemmap-range.patch
x86-vmemmap-drop-handling-of-1gb-vmemmap-ranges.patch
x86-vmemmap-handle-unpopulated-sub-pmd-ranges.patch
x86-vmemmap-optimize-for-consecutive-sections-in-partial-populated-pmds.patch
mmmemory_hotplug-allocate-memmap-from-the-added-memory-range.patch
acpimemhotplug-enable-mhp_memmap_on_memory-when-supported.patch
mmmemory_hotplug-add-kernel-boot-option-to-enable-memmap_on_memory.patch
x86-kconfig-introduce-arch_mhp_memmap_on_memory_enable.patch
arm64-kconfig-introduce-arch_mhp_memmap_on_memory_enable.patch