[patch 052/192] mm/kconfig: move HOLES_IN_ZONE into mm

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From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: mm/kconfig: move HOLES_IN_ZONE into mm

commit a55749639dc1 ("ia64: drop marked broken DISCONTIGMEM and
VIRTUAL_MEM_MAP") drop VIRTUAL_MEM_MAP, so there is no need HOLES_IN_ZONE
on ia64.

Also move HOLES_IN_ZONE into mm/Kconfig, select it if architecture needs
this feature.

Link: https://lkml.kernel.org/r/20210417075946.181402-1-wangkefeng.wang@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>	[arm64]
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 arch/arm64/Kconfig |    4 +---
 arch/ia64/Kconfig  |    3 ---
 arch/mips/Kconfig  |    3 ---
 mm/Kconfig         |    3 +++
 4 files changed, 4 insertions(+), 9 deletions(-)

--- a/arch/arm64/Kconfig~mm-move-holes_in_zone-into-mm
+++ a/arch/arm64/Kconfig
@@ -201,6 +201,7 @@ config ARM64
 	select HAVE_KPROBES
 	select HAVE_KRETPROBES
 	select HAVE_GENERIC_VDSO
+	select HOLES_IN_ZONE
 	select IOMMU_DMA if IOMMU_SUPPORT
 	select IRQ_DOMAIN
 	select IRQ_FORCED_THREADING
@@ -1052,9 +1053,6 @@ config NEED_PER_CPU_EMBED_FIRST_CHUNK
 	def_bool y
 	depends on NUMA
 
-config HOLES_IN_ZONE
-	def_bool y
-
 source "kernel/Kconfig.hz"
 
 config ARCH_SPARSEMEM_ENABLE
--- a/arch/ia64/Kconfig~mm-move-holes_in_zone-into-mm
+++ a/arch/ia64/Kconfig
@@ -308,9 +308,6 @@ config NODES_SHIFT
 	  MAX_NUMNODES will be 2^(This value).
 	  If in doubt, use the default.
 
-config HOLES_IN_ZONE
-	bool
-
 config HAVE_ARCH_NODEDATA_EXTENSION
 	def_bool y
 	depends on NUMA
--- a/arch/mips/Kconfig~mm-move-holes_in_zone-into-mm
+++ a/arch/mips/Kconfig
@@ -1233,9 +1233,6 @@ config HAVE_PLAT_MEMCPY
 config ISA_DMA_API
 	bool
 
-config HOLES_IN_ZONE
-	bool
-
 config SYS_SUPPORTS_RELOCATABLE
 	bool
 	help
--- a/mm/Kconfig~mm-move-holes_in_zone-into-mm
+++ a/mm/Kconfig
@@ -96,6 +96,9 @@ config HAVE_FAST_GUP
 	depends on MMU
 	bool
 
+config HOLES_IN_ZONE
+	bool
+
 # Don't discard allocated memory used to track "memory" and "reserved" memblocks
 # after early boot, so it can still be used to test for validity of memory.
 # Also, memblocks are updated with memory hot(un)plug.
_



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