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From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org
Cc: Anshuman Khandual <anshuman.khandual@arm.com>,
	x86@kernel.org, linux-ia64@vger.kernel.org,
	linux-s390@vger.kernel.org, linux-snps-arc@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org,
	linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	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>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH 4/6] mm: Drop redundant ARCH_ENABLE_[HUGEPAGE|THP]_MIGRATION
Date: Mon,  8 Mar 2021 12:11:43 +0530	[thread overview]
Message-ID: <1615185706-24342-5-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1615185706-24342-1-git-send-email-anshuman.khandual@arm.com>

ARCH_ENABLE_[HUGEPAGE|THP]_MIGRATION configs have duplicate definitions on
platforms that subscribe them. Drop these reduntant definitions and instead
just select them appropriately.

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: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: x86@kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
 arch/arm64/Kconfig                     | 10 ++--------
 arch/powerpc/platforms/Kconfig.cputype |  5 +----
 arch/x86/Kconfig                       | 10 ++--------
 3 files changed, 5 insertions(+), 20 deletions(-)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 67e904b0f32a..c0e75f62f08c 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -11,8 +11,10 @@ config ARM64
 	select ACPI_PPTT if ACPI
 	select ARCH_HAS_DEBUG_WX
 	select ARCH_BINFMT_ELF_STATE
+	select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION
 	select ARCH_ENABLE_MEMORY_HOTPLUG
 	select ARCH_ENABLE_MEMORY_HOTREMOVE
+	select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
 	select ARCH_HAS_CACHE_LINE_SIZE
 	select ARCH_HAS_DEBUG_VIRTUAL
 	select ARCH_HAS_DEBUG_VM_PGTABLE
@@ -1903,14 +1905,6 @@ config SYSVIPC_COMPAT
 	def_bool y
 	depends on COMPAT && SYSVIPC
 
-config ARCH_ENABLE_HUGEPAGE_MIGRATION
-	def_bool y
-	depends on HUGETLB_PAGE && MIGRATION
-
-config ARCH_ENABLE_THP_MIGRATION
-	def_bool y
-	depends on TRANSPARENT_HUGEPAGE
-
 menu "Power management options"
 
 source "kernel/power/Kconfig"
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index cec1017813f8..4465b71b2bff 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -96,6 +96,7 @@ config PPC_BOOK3S_64
 	select PPC_FPU
 	select PPC_HAVE_PMU_SUPPORT
 	select HAVE_ARCH_TRANSPARENT_HUGEPAGE
+	select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION
 	select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
 	select ARCH_SUPPORTS_HUGETLBFS
 	select ARCH_SUPPORTS_NUMA_BALANCING
@@ -420,10 +421,6 @@ config PPC_PKEY
 	depends on PPC_BOOK3S_64
 	depends on PPC_MEM_KEYS || PPC_KUAP || PPC_KUEP
 
-config ARCH_ENABLE_HUGEPAGE_MIGRATION
-	def_bool y
-	depends on PPC_BOOK3S_64 && HUGETLB_PAGE && MIGRATION
-
 
 config PPC_MMU_NOHASH
 	def_bool y
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 503d8b2e8676..10702ef1eb57 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -60,8 +60,10 @@ config X86
 	select ACPI_SYSTEM_POWER_STATES_SUPPORT	if ACPI
 	select ARCH_32BIT_OFF_T			if X86_32
 	select ARCH_CLOCKSOURCE_INIT
+	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_THP_MIGRATION if x86_64 && TRANSPARENT_HUGEPAGE
 	select ARCH_HAS_ACPI_TABLE_UPGRADE	if ACPI
 	select ARCH_HAS_CACHE_LINE_SIZE
 	select ARCH_HAS_DEBUG_VIRTUAL
@@ -2433,14 +2435,6 @@ config ARCH_ENABLE_SPLIT_PMD_PTLOCK
 	def_bool y
 	depends on X86_64 || X86_PAE
 
-config ARCH_ENABLE_HUGEPAGE_MIGRATION
-	def_bool y
-	depends on X86_64 && HUGETLB_PAGE && MIGRATION
-
-config ARCH_ENABLE_THP_MIGRATION
-	def_bool y
-	depends on X86_64 && TRANSPARENT_HUGEPAGE
-
 menu "Power management and ACPI options"
 
 config ARCH_HIBERNATION_HEADER
-- 
2.20.1


  parent reply	other threads:[~2021-03-08  6:42 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-08  6:41 [PATCH 0/6] mm: some config cleanups Anshuman Khandual
2021-03-08  6:41 ` [PATCH 3/6] mm: Generalize ARCH_ENABLE_MEMORY_[HOTPLUG|HOTREMOVE] Anshuman Khandual
2021-03-08  6:41 ` Anshuman Khandual [this message]
     [not found] ` <1615185706-24342-7-git-send-email-anshuman.khandual@arm.com>
2021-03-08  8:26   ` [PATCH 6/6] mm: Drop redundant HAVE_ARCH_TRANSPARENT_HUGEPAGE Arnd Bergmann
2021-03-09  3:32 ` [PATCH 0/6] mm: some config cleanups Anshuman Khandual
     [not found] ` <1615185706-24342-3-git-send-email-anshuman.khandual@arm.com>
2021-03-10  5:20   ` [PATCH 2/6] mm: Generalize SYS_SUPPORTS_HUGETLBFS (rename as ARCH_SUPPORTS_HUGETLBFS) Michael Ellerman

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