x86, arm64: Move ARCH_WANT_HUGE_PMD_SHARE config in arch/Kconfig

ARCH_WANT_HUGE_PMD_SHARE config was declared in both architectures:
move this declaration in arch/Kconfig and make those architectures
select it.

Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # for arm64
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>

diff --git a/arch/Kconfig b/arch/Kconfig
index c47b328eada033257e30c89a0f1678d030b5b95f..d2f212dc8e72f9e5197477445e037be843d95846 100644 (file)
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -577,6 +577,9 @@ config HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
 config HAVE_ARCH_HUGE_VMAP
        bool
 
+config ARCH_WANT_HUGE_PMD_SHARE
+       bool
+
 config HAVE_ARCH_SOFT_DIRTY
        bool
 

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 697ea05107298bf145453f267f6bb4d1c385a10d..56c6d5f30e2b02e48a199d472283867fbfa35d49 100644 (file)
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -71,6 +71,7 @@ config ARM64
        select ARCH_SUPPORTS_NUMA_BALANCING
        select ARCH_WANT_COMPAT_IPC_PARSE_VERSION if COMPAT
        select ARCH_WANT_FRAME_POINTERS
+       select ARCH_WANT_HUGE_PMD_SHARE if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36)
        select ARCH_HAS_UBSAN_SANITIZE_ALL
        select ARM_AMBA
        select ARM_ARCH_TIMER
@@ -902,7 +903,6 @@ config SYS_SUPPORTS_HUGETLBFS
        def_bool y
 
 config ARCH_WANT_HUGE_PMD_SHARE
-       def_bool y if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36)
 
 config ARCH_HAS_CACHE_LINE_SIZE
        def_bool y

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 2bbbd4d1ba31de5c0431393247ac4279878eb13d..fa021ec3880375276d2c1cb59ee76aee79ee8564 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -93,6 +93,7 @@ config X86
        select ARCH_USE_QUEUED_SPINLOCKS
        select ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH
        select ARCH_WANTS_DYNAMIC_TASK_STRUCT
+       select ARCH_WANT_HUGE_PMD_SHARE
        select ARCH_WANTS_THP_SWAP              if X86_64
        select BUILDTIME_EXTABLE_SORT
        select CLKEVT_I8253
@@ -301,9 +302,6 @@ config ARCH_HIBERNATION_POSSIBLE
 config ARCH_SUSPEND_POSSIBLE
        def_bool y
 
-config ARCH_WANT_HUGE_PMD_SHARE
-       def_bool y
-
 config ARCH_WANT_GENERAL_HUGETLB
        def_bool y