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.
_
