From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org
Cc: Anshuman Khandual <anshuman.khandual@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Rich Felker <dalias@libc.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,
linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 5/6] mm: Drop redundant ARCH_ENABLE_SPLIT_PMD_PTLOCK
Date: Tue, 9 Mar 2021 14:03:09 +0530 [thread overview]
Message-ID: <1615278790-18053-6-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1615278790-18053-1-git-send-email-anshuman.khandual@arm.com>
ARCH_ENABLE_SPLIT_PMD_PTLOCKS has duplicate definitions on platforms that
subscribe it. Drop these reduntant definitions and instead just select it
on applicable platforms.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: x86@kernel.org
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-ia64@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-s390@vger.kernel.org
Cc: linux-sh@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
arch/arm64/Kconfig | 4 +---
arch/powerpc/platforms/Kconfig.cputype | 5 +----
arch/s390/Kconfig | 4 +---
arch/x86/Kconfig | 5 +----
4 files changed, 4 insertions(+), 14 deletions(-)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index c0e75f62f08c..fb5b1630a4eb 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -14,6 +14,7 @@ config ARM64
select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION
select ARCH_ENABLE_MEMORY_HOTPLUG
select ARCH_ENABLE_MEMORY_HOTREMOVE
+ select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2
select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
select ARCH_HAS_CACHE_LINE_SIZE
select ARCH_HAS_DEBUG_VIRTUAL
@@ -1054,9 +1055,6 @@ config HW_PERF_EVENTS
config ARCH_WANT_HUGE_PMD_SHARE
-config ARCH_ENABLE_SPLIT_PMD_PTLOCK
- def_bool y if PGTABLE_LEVELS > 2
-
# Supported by clang >= 7.0
config CC_HAVE_SHADOW_CALL_STACK
def_bool $(cc-option, -fsanitize=shadow-call-stack -ffixed-x18)
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 4465b71b2bff..be0e29f18dd4 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -97,6 +97,7 @@ config PPC_BOOK3S_64
select PPC_HAVE_PMU_SUPPORT
select HAVE_ARCH_TRANSPARENT_HUGEPAGE
select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION
+ select ARCH_ENABLE_PMD_SPLIT_PTLOCK
select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
select ARCH_SUPPORTS_HUGETLBFS
select ARCH_SUPPORTS_NUMA_BALANCING
@@ -356,10 +357,6 @@ config SPE
If in doubt, say Y here.
-config ARCH_ENABLE_SPLIT_PMD_PTLOCK
- def_bool y
- depends on PPC_BOOK3S_64
-
config PPC_RADIX_MMU
bool "Radix MMU Support"
depends on PPC_BOOK3S_64
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index f8b356550daa..d72989591223 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -62,6 +62,7 @@ config S390
select ARCH_BINFMT_ELF_STATE
select ARCH_ENABLE_MEMORY_HOTPLUG if SPARSEMEM
select ARCH_ENABLE_MEMORY_HOTREMOVE
+ select ARCH_ENABLE_SPLIT_PMD_PTLOCK
select ARCH_HAS_DEBUG_VM_PGTABLE
select ARCH_HAS_DEBUG_WX
select ARCH_HAS_DEVMEM_IS_ALLOWED
@@ -628,9 +629,6 @@ config ARCH_SPARSEMEM_ENABLE
config ARCH_SPARSEMEM_DEFAULT
def_bool y
-config ARCH_ENABLE_SPLIT_PMD_PTLOCK
- def_bool y
-
config MAX_PHYSMEM_BITS
int "Maximum size of supported physical memory in bits (42-53)"
range 42 53
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 10702ef1eb57..5dd70c798167 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -63,6 +63,7 @@ config X86
select ARCH_ENABLE_HUGEPAGE_MIGRATION if x86_64 && HUGETLB_PAGE && MIGRATION
select ARCH_ENABLE_MEMORY_HOTPLUG if X86_64 || (X86_32 && HIGHMEM)
select ARCH_ENABLE_MEMORY_HOTREMOVE if MEMORY_HOTPLUG
+ select ARCH_ENABLE_SPLIT_PMD_PTLOCK if X86_64 || X86_PAE
select ARCH_ENABLE_THP_MIGRATION if x86_64 && TRANSPARENT_HUGEPAGE
select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
select ARCH_HAS_CACHE_LINE_SIZE
@@ -2431,10 +2432,6 @@ config USE_PERCPU_NUMA_NODE_ID
def_bool y
depends on NUMA
-config ARCH_ENABLE_SPLIT_PMD_PTLOCK
- def_bool y
- depends on X86_64 || X86_PAE
-
menu "Power management and ACPI options"
config ARCH_HIBERNATION_HEADER
--
2.20.1
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next prev parent reply other threads:[~2021-03-09 8:35 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-09 8:33 [PATCH 0/6] mm: some config cleanups Anshuman Khandual
2021-03-09 8:33 ` [PATCH 1/6] mm: Generalize ARCH_HAS_CACHE_LINE_SIZE Anshuman Khandual
2021-03-09 8:33 ` [PATCH 2/6] mm: Generalize SYS_SUPPORTS_HUGETLBFS (rename as ARCH_SUPPORTS_HUGETLBFS) Anshuman Khandual
2021-03-10 4:39 ` Palmer Dabbelt
2021-03-09 8:33 ` [PATCH 3/6] mm: Generalize ARCH_ENABLE_MEMORY_[HOTPLUG|HOTREMOVE] Anshuman Khandual
2021-03-09 8:33 ` [PATCH 4/6] mm: Drop redundant ARCH_ENABLE_[HUGEPAGE|THP]_MIGRATION Anshuman Khandual
2021-03-09 8:33 ` Anshuman Khandual [this message]
2021-03-09 8:33 ` [PATCH 6/6] mm: Drop redundant HAVE_ARCH_TRANSPARENT_HUGEPAGE Anshuman Khandual
2021-03-09 9:04 ` [PATCH 0/6] mm: some config cleanups Anshuman Khandual
2021-03-09 10:12 ` Heiko Carstens
2021-03-19 18:35 ` Catalin Marinas
-- strict thread matches above, loose matches on Subject: below --
2021-03-08 6:41 Anshuman Khandual
2021-03-08 6:41 ` [PATCH 5/6] mm: Drop redundant ARCH_ENABLE_SPLIT_PMD_PTLOCK Anshuman Khandual
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