arm64/Kconfig: introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE

Enable arm64 platform to use the MHP_MEMMAP_ON_MEMORY feature.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Oscar Salvador <[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
Cc: Anshuman Khandual <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Pavel Tatashin <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Author: osalvadorvilardaga

arch/arm64/Kconfig

@@ -316,6 +316,9 @@ config ZONE_DMA32
 	bool "Support DMA32 zone" if EXPERT
 	default y
 
+config ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
+	def_bool y
+
 config SMP
 	def_bool y