All of lore.kernel.org
 help / color / mirror / Atom feed
From: Joel Fernandes <joel@joelfernandes.org>
To: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org, Rich Felker <dalias@libc.org>,
	linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Will Deacon <will.deacon@arm.com>,
	Michal Hocko <mhocko@kernel.org>,
	linux-mm@kvack.org, lokeshgidra@google.com,
	"Joel Fernandes \(Google\)" <joel@joelfernandes.org>,
	linux-riscv@lists.infradead.org, anton.ivanov@kot-begemot.co.uk,
	Jonas Bonn <jonas@southpole.se>,
	linux-s390@vger.kernel.org, dancol@google.com,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org,
	linux-hexagon@vger.kernel.org, Helge Deller <deller@gmx.de>,
	"maintainer:X86 ARCHITECTURE 32-BIT AND 64-BIT" <x86@kernel.org>,
	hughd@google.com, "James E.J. Bottomley" <jejb@parisc-linux.org>,
	kasan-dev@googlegroups.com, kvmarm@l
Subject: [PATCH -next-akpm 3/3] mm: select HAVE_MOVE_PMD in x86 for faster mremap
Date: Thu,  8 Nov 2018 10:12:01 -0800	[thread overview]
Message-ID: <20181108181201.88826-4-joelaf@google.com> (raw)
In-Reply-To: <20181108181201.88826-1-joelaf@google.com>

From: "Joel Fernandes (Google)" <joel@joelfernandes.org>

Moving page-tables at the PMD-level on x86 is known to be safe. Enable
this option so that we can do fast mremap when possible.

Suggested-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 605bec0c228f..05f3667de0d2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -173,6 +173,7 @@ config X86
 	select HAVE_MEMBLOCK_NODE_MAP
 	select HAVE_MIXED_BREAKPOINTS_REGS
 	select HAVE_MOD_ARCH_SPECIFIC
+	select HAVE_MOVE_PMD
 	select HAVE_NMI
 	select HAVE_OPROFILE
 	select HAVE_OPTPROBES
-- 
2.19.1.930.g4563a0d9d0-goog

WARNING: multiple messages have this Message-ID (diff)
From: Joel Fernandes <joel@joelfernandes.org>
To: linux-kernel@vger.kernel.org
Cc: kernel-team@android.com,
	"Joel Fernandes (Google)" <joel@joelfernandes.org>,
	"Kirill A . Shutemov" <kirill@shutemov.name>,
	akpm@linux-foundation.org,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Andy Lutomirski <luto@kernel.org>,
	anton.ivanov@kot-begemot.co.uk, Borislav Petkov <bp@alien8.de>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Chris Zankel <chris@zankel.net>,
	dancol@google.com, Dave Hansen <dave.hansen@linux.intel.com>,
	"David S. Miller" <davem@davemloft.net>,
	Fenghua Yu <fenghua.yu@intel.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Guan Xuetao <gxt@pku.edu.cn>, Helge Deller <deller@gmx.de>,
	hughd@google.com, Ingo Molnar <mingo@redhat.com>,
	"James E.J. Bottomley" <jejb@parisc-linux.org>,
	Jeff Dike <jdike@addtoit.com>, Jonas Bonn <jonas@southpole.se>,
	Julia Lawall <Julia.Lawall@lip6.fr>,
	kasan-dev@googlegroups.com, kvmarm@lists.cs.columbia.edu,
	Ley Foon Tan <lftan@altera.com>,
	linux-alpha@vger.kernel.org, linux-hexagon@vger.kernel.org,
	linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
	linux-mips@linux-mips.org, linux-mm@kvack.org,
	linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
	linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org,
	linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org,
	lokeshgidra@google.com, Max Filippov <jcmvbkbc@gmail.com>,
	Michal Hocko <mhocko@kernel.org>,
	minchan@kernel.org, nios2-dev@lists.rocketboards.org,
	pantin@google.com, Peter Zijlstra <peterz@infradead.org>,
	Richard Weinberger <richard@nod.at>,
	Rich Felker <dalias@libc.org>, Sam Creasey <sammy@sammy.net>,
	sparclinux@vger.kernel.org, Stafford Horne <shorne@gmail.com>,
	Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>,
	Thomas Gleixner <tglx@linutronix.de>,
	Tony Luck <tony.luck@intel.com>,
	Will Deacon <will.deacon@arm.com>,
	x86@kernel.org (maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)),
	Yoshinori Sato <ysato@users.sourceforge.jp>
Subject: [PATCH -next-akpm 3/3] mm: select HAVE_MOVE_PMD in x86 for faster mremap
Date: Thu,  8 Nov 2018 10:12:01 -0800	[thread overview]
Message-ID: <20181108181201.88826-4-joelaf@google.com> (raw)
In-Reply-To: <20181108181201.88826-1-joelaf@google.com>

From: "Joel Fernandes (Google)" <joel@joelfernandes.org>

Moving page-tables at the PMD-level on x86 is known to be safe. Enable
this option so that we can do fast mremap when possible.

Suggested-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 605bec0c228f..05f3667de0d2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -173,6 +173,7 @@ config X86
 	select HAVE_MEMBLOCK_NODE_MAP
 	select HAVE_MIXED_BREAKPOINTS_REGS
 	select HAVE_MOD_ARCH_SPECIFIC
+	select HAVE_MOVE_PMD
 	select HAVE_NMI
 	select HAVE_OPROFILE
 	select HAVE_OPTPROBES
-- 
2.19.1.930.g4563a0d9d0-goog

WARNING: multiple messages have this Message-ID (diff)
From: Joel Fernandes <joel@joelfernandes.org>
To: linux-kernel@vger.kernel.org
Cc: kernel-team@android.com,
	"Joel Fernandes (Google)" <joel@joelfernandes.org>,
	"Kirill A . Shutemov" <kirill@shutemov.name>,
	akpm@linux-foundation.org,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Andy Lutomirski <luto@kernel.org>,
	anton.ivanov@kot-begemot.co.uk, Borislav Petkov <bp@alien8.de>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Chris Zankel <chris@zankel.net>,
	dancol@google.com, Dave Hansen <dave.hansen@linux.intel.com>,
	"David S. Miller" <davem@davemloft.net>,
	Fenghua Yu <fenghua.yu@intel.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Guan Xuetao <gxt@pku.edu.cn>, Helge Deller <deller@gmx.de>,
	hughd@google.com, Ingo Molnar <mingo@redhat.com>,
	"James E.J. Bottomley" <jejb@parisc-linux.org>,
	Jeff Dike <jdike@addtoit.com>, Jonas Bonn <jonas@southpole.se>,
	Julia Lawall <Julia.Lawall@lip6.fr>,
	kasan-dev@googlegroups.com, kvmarm@lists.cs.columbia.edu,
	Ley Foon Tan <lftan@altera.com>,
	linux-alpha@vger.kernel.org, linux-hexagon@vger.kernel.org,
	linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
	linux-mips@linux-mips.org, linux-mm@kvack.org,
	linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
	linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org,
	linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org,
	lokeshgidra@google.com, Max Filippov <jcmvbkbc@gmail.com>,
	Michal Hocko <mhocko@kernel.org>,
	minchan@kernel.org, nios2-dev@lists.rocketboards.org,
	pantin@google.com, Peter Zijlstra <peterz@infradead.org>,
	Richard Weinberger <richard@nod.at>,
	Rich Felker <dalias@libc.org>, Sam Creasey <sammy@sammy.net>,
	sparclinux@vger.kernel.org, Stafford Horne <shorne@gmail.com>,
	Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>,
	Thomas Gleixner <tglx@linutronix.de>,
	Tony Luck <tony.luck@intel.com>,
	Will Deacon <will.deacon@arm.com>,
	"maintainer:X86 ARCHITECTURE 32-BIT AND 64-BIT" <x86@kernel.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>
Subject: [PATCH -next-akpm 3/3] mm: select HAVE_MOVE_PMD in x86 for faster mremap
Date: Thu,  8 Nov 2018 10:12:01 -0800	[thread overview]
Message-ID: <20181108181201.88826-4-joelaf@google.com> (raw)
Message-ID: <20181108181201.B9t_LPRF1AiR8GC06y5L3HzaQOtlmp_3_zbvmz156I8@z> (raw)
In-Reply-To: <20181108181201.88826-1-joelaf@google.com>

From: "Joel Fernandes (Google)" <joel@joelfernandes.org>

Moving page-tables at the PMD-level on x86 is known to be safe. Enable
this option so that we can do fast mremap when possible.

Suggested-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 605bec0c228f..05f3667de0d2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -173,6 +173,7 @@ config X86
 	select HAVE_MEMBLOCK_NODE_MAP
 	select HAVE_MIXED_BREAKPOINTS_REGS
 	select HAVE_MOD_ARCH_SPECIFIC
+	select HAVE_MOVE_PMD
 	select HAVE_NMI
 	select HAVE_OPROFILE
 	select HAVE_OPTPROBES
-- 
2.19.1.930.g4563a0d9d0-goog

WARNING: multiple messages have this Message-ID (diff)
From: joel@joelfernandes.org (Joel Fernandes)
To: linux-riscv@lists.infradead.org
Subject: [PATCH -next-akpm 3/3] mm: select HAVE_MOVE_PMD in x86 for faster mremap
Date: Thu,  8 Nov 2018 10:12:01 -0800	[thread overview]
Message-ID: <20181108181201.88826-4-joelaf@google.com> (raw)
In-Reply-To: <20181108181201.88826-1-joelaf@google.com>

From: "Joel Fernandes (Google)" <joel@joelfernandes.org>

Moving page-tables at the PMD-level on x86 is known to be safe. Enable
this option so that we can do fast mremap when possible.

Suggested-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 605bec0c228f..05f3667de0d2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -173,6 +173,7 @@ config X86
 	select HAVE_MEMBLOCK_NODE_MAP
 	select HAVE_MIXED_BREAKPOINTS_REGS
 	select HAVE_MOD_ARCH_SPECIFIC
+	select HAVE_MOVE_PMD
 	select HAVE_NMI
 	select HAVE_OPROFILE
 	select HAVE_OPTPROBES
-- 
2.19.1.930.g4563a0d9d0-goog

WARNING: multiple messages have this Message-ID (diff)
From: Joel Fernandes <joel@joelfernandes.org>
To: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org, Rich Felker <dalias@libc.org>,
	linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Will Deacon <will.deacon@arm.com>,
	Michal Hocko <mhocko@kernel.org>,
	linux-mm@kvack.org, lokeshgidra@google.com,
	"Joel Fernandes \(Google\)" <joel@joelfernandes.org>,
	linux-riscv@lists.infradead.org, anton.ivanov@kot-begemot.co.uk,
	Jonas Bonn <jonas@southpole.se>,
	linux-s390@vger.kernel.org, dancol@google.com,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org,
	linux-hexagon@vger.kernel.org, Helge Deller <deller@gmx.de>,
	"maintainer:X86 ARCHITECTURE 32-BIT AND 64-BIT" <x86@kernel.org>,
	hughd@google.com, "James E.J. Bottomley" <jejb@parisc-linux.org>,
	kasan-dev@googlegroups.com, kvmarm@lists.cs.columbia.edu,
	Ingo Molnar <mingo@redhat.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	linux-snps-arc@lists.infradead.org, kernel-team@android.com,
	Sam Creasey <sammy@sammy.net>, Fenghua Yu <fenghua.yu@intel.com>,
	Jeff Dike <jdike@addtoit.com>,
	linux-um@lists.infradead.org,
	Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>,
	Julia Lawall <Julia.Lawall@lip6.fr>,
	linux-m68k@lists.linux-m68k.org, Borislav Petkov <bp@alien8.de>,
	Andy Lutomirski <luto@kernel.org>,
	nios2-dev@lists.rocketboards.org,
	"Kirill A . Shutemov" <kirill@shutemov.name>,
	Stafford Horne <shorne@gmail.com>, Guan Xuetao <gxt@pku.edu.cn>,
	Chris Zankel <chris@zankel.net>, Tony Luck <tony.luck@intel.com>,
	Richard Weinberger <richard@nod.at>,
	linux-parisc@vger.kernel.org, Max Filippov <jcmvbkbc@gmail.com>,
	pantin@google.com, minchan@kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-alpha@vger.kernel.org, Ley Foon Tan <lftan@altera.com>,
	akpm@linux-foundation.org, linuxppc-dev@lists.ozlabs.org,
	"David S. Miller" <davem@davemloft.net>
Subject: [PATCH -next-akpm 3/3] mm: select HAVE_MOVE_PMD in x86 for faster mremap
Date: Thu,  8 Nov 2018 10:12:01 -0800	[thread overview]
Message-ID: <20181108181201.88826-4-joelaf@google.com> (raw)
Message-ID: <20181108181201.HnNgdMmpUq2T7p11MIL-eI85N58nXZ7G_jcR_BmJkjg@z> (raw)
In-Reply-To: <20181108181201.88826-1-joelaf@google.com>

From: "Joel Fernandes (Google)" <joel@joelfernandes.org>

Moving page-tables at the PMD-level on x86 is known to be safe. Enable
this option so that we can do fast mremap when possible.

Suggested-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 605bec0c228f..05f3667de0d2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -173,6 +173,7 @@ config X86
 	select HAVE_MEMBLOCK_NODE_MAP
 	select HAVE_MIXED_BREAKPOINTS_REGS
 	select HAVE_MOD_ARCH_SPECIFIC
+	select HAVE_MOVE_PMD
 	select HAVE_NMI
 	select HAVE_OPROFILE
 	select HAVE_OPTPROBES
-- 
2.19.1.930.g4563a0d9d0-goog


_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

WARNING: multiple messages have this Message-ID (diff)
From: Joel Fernandes <joel@joelfernandes.org>
To: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org, Rich Felker <dalias@libc.org>,
	linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Will Deacon <will.deacon@arm.com>,
	Michal Hocko <mhocko@kernel.org>,
	linux-mm@kvack.org, lokeshgidra@google.com,
	"Joel Fernandes \(Google\)" <joel@joelfernandes.org>,
	linux-riscv@lists.infradead.org, anton.ivanov@kot-begemot.co.uk,
	Jonas Bonn <jonas@southpole.se>,
	linux-s390@vger.kernel.org, dancol@google.com,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org,
	linux-hexagon@vger.kernel.org, Helge Deller <deller@gmx.de>,
	"maintainer:X86 ARCHITECTURE 32-BIT AND 64-BIT" <x86@kernel.org>,
	hughd@google.com, "James E.J. Bottomley" <jejb@parisc-linux.org>,
	kasan-dev@googlegroups.com, kvmarm@lists.cs.columbia.edu,
	Ingo Molnar <mingo@redhat.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	linux-snps-arc@lists.infradead.org, kernel-team@android.com,
	Sam Creasey <sammy@sammy.net>, Fenghua Yu <fenghua.yu@intel.com>,
	Jeff Dike <jdike@addtoit.com>,
	linux-um@lists.infradead.org,
	Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>,
	Julia Lawall <Julia.Lawall@lip6.fr>,
	linux-m68k@lists.linux-m68k.org, Borislav Petkov <bp@alien8.de>,
	Andy Lutomirski <luto@kernel.org>,
	nios2-dev@lists.rocketboards.org,
	"Kirill A . Shutemov" <kirill@shutemov.name>,
	Stafford Horne <shorne@gmail.com>, Guan Xuetao <gxt@pku.edu.cn>,
	Chris Zankel <chris@zankel.net>, Tony Luck <tony.luck@intel.com>,
	Richard Weinberger <richard@nod.at>,
	linux-parisc@vger.kernel.org, Max Filippov <jcmvbkbc@gmail.com>,
	pantin@google.com, minchan@kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-alpha@vger.kernel.org, Ley Foon Tan <lftan@altera.com>,
	akpm@linux-foundation.org, linuxppc-dev@lists.ozlabs.org,
	"David S. Miller" <davem@davemloft.net>
Subject: [PATCH -next-akpm 3/3] mm: select HAVE_MOVE_PMD in x86 for faster mremap
Date: Thu,  8 Nov 2018 10:12:01 -0800	[thread overview]
Message-ID: <20181108181201.88826-4-joelaf@google.com> (raw)
In-Reply-To: <20181108181201.88826-1-joelaf@google.com>

From: "Joel Fernandes (Google)" <joel@joelfernandes.org>

Moving page-tables at the PMD-level on x86 is known to be safe. Enable
this option so that we can do fast mremap when possible.

Suggested-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 605bec0c228f..05f3667de0d2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -173,6 +173,7 @@ config X86
 	select HAVE_MEMBLOCK_NODE_MAP
 	select HAVE_MIXED_BREAKPOINTS_REGS
 	select HAVE_MOD_ARCH_SPECIFIC
+	select HAVE_MOVE_PMD
 	select HAVE_NMI
 	select HAVE_OPROFILE
 	select HAVE_OPTPROBES
-- 
2.19.1.930.g4563a0d9d0-goog


WARNING: multiple messages have this Message-ID (diff)
From: joel@joelfernandes.org (Joel Fernandes)
To: linux-snps-arc@lists.infradead.org
Subject: [PATCH -next-akpm 3/3] mm: select HAVE_MOVE_PMD in x86 for faster mremap
Date: Thu,  8 Nov 2018 10:12:01 -0800	[thread overview]
Message-ID: <20181108181201.88826-4-joelaf@google.com> (raw)
In-Reply-To: <20181108181201.88826-1-joelaf@google.com>

From: "Joel Fernandes (Google)" <joel@joelfernandes.org>

Moving page-tables at the PMD-level on x86 is known to be safe. Enable
this option so that we can do fast mremap when possible.

Suggested-by: Kirill A. Shutemov <kirill at shutemov.name>
Acked-by: Kirill A. Shutemov <kirill at shutemov.name>
Signed-off-by: Joel Fernandes (Google) <joel at joelfernandes.org>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 605bec0c228f..05f3667de0d2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -173,6 +173,7 @@ config X86
 	select HAVE_MEMBLOCK_NODE_MAP
 	select HAVE_MIXED_BREAKPOINTS_REGS
 	select HAVE_MOD_ARCH_SPECIFIC
+	select HAVE_MOVE_PMD
 	select HAVE_NMI
 	select HAVE_OPROFILE
 	select HAVE_OPTPROBES
-- 
2.19.1.930.g4563a0d9d0-goog

WARNING: multiple messages have this Message-ID (diff)
From: Joel Fernandes <joel@joelfernandes.org>
To: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org, Rich Felker <dalias@libc.org>,
	linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Will Deacon <will.deacon@arm.com>,
	Michal Hocko <mhocko@kernel.org>,
	linux-mm@kvack.org, lokeshgidra@google.com,
	"Joel Fernandes (Google)" <joel@joelfernandes.org>,
	linux-riscv@lists.infradead.org, anton.ivanov@kot-begemot.co.uk,
	Jonas Bonn <jonas@southpole.se>,
	linux-s390@vger.kernel.org, dancol@google.com,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org,
	linux-hexagon@vger.kernel.org, Helge Deller <deller@gmx.de>,
	"maintainer:X86 ARCHITECTURE 32-BIT AND 64-BIT" <x86@kernel.org>,
	hughd@google.com, "James E.J. Bottomley" <jejb@parisc-linux.org>,
	kasan-dev@googlegroups.com, kvmarm@l
Subject: [PATCH -next-akpm 3/3] mm: select HAVE_MOVE_PMD in x86 for faster mremap
Date: Thu,  8 Nov 2018 10:12:01 -0800	[thread overview]
Message-ID: <20181108181201.88826-4-joelaf@google.com> (raw)
In-Reply-To: <20181108181201.88826-1-joelaf@google.com>

From: "Joel Fernandes (Google)" <joel@joelfernandes.org>

Moving page-tables at the PMD-level on x86 is known to be safe. Enable
this option so that we can do fast mremap when possible.

Suggested-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 605bec0c228f..05f3667de0d2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -173,6 +173,7 @@ config X86
 	select HAVE_MEMBLOCK_NODE_MAP
 	select HAVE_MIXED_BREAKPOINTS_REGS
 	select HAVE_MOD_ARCH_SPECIFIC
+	select HAVE_MOVE_PMD
 	select HAVE_NMI
 	select HAVE_OPROFILE
 	select HAVE_OPTPROBES
-- 
2.19.1.930.g4563a0d9d0-goog

  parent reply	other threads:[~2018-11-08 18:12 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-08 18:11 [PATCH -next-akpm 0/3] Add support for fast mremap Joel Fernandes
2018-11-08 18:11 ` Joel Fernandes
2018-11-08 18:11 ` Joel Fernandes
2018-11-08 18:11 ` Joel Fernandes
2018-11-08 18:11 ` Joel Fernandes
2018-11-08 18:11 ` Joel Fernandes
2018-11-08 18:11 ` Joel Fernandes
2018-11-08 18:11 ` [PATCH -next-akpm 1/3] mm: treewide: remove unused address argument from pte_alloc functions (v2) Joel Fernandes
2018-11-08 18:11   ` Joel Fernandes
2018-11-08 18:11   ` Joel Fernandes
2018-11-08 18:11   ` Joel Fernandes
2018-11-08 18:11   ` Joel Fernandes
2018-11-08 18:11   ` Joel Fernandes
2018-11-08 18:11   ` Joel Fernandes
2018-11-08 18:11   ` Joel Fernandes
2018-11-08 18:12 ` [PATCH -next-akpm 2/3] mm: speed up mremap by 20x on large regions (v5) Joel Fernandes
2018-11-08 18:12   ` Joel Fernandes
2018-11-08 18:12   ` Joel Fernandes
2018-11-08 18:12   ` Joel Fernandes
2018-11-08 18:12   ` Joel Fernandes
2018-11-08 18:12   ` Joel Fernandes
2018-11-08 18:12   ` Joel Fernandes
2018-11-08 18:12   ` Joel Fernandes
2018-11-08 18:12 ` Joel Fernandes [this message]
2018-11-08 18:12   ` [PATCH -next-akpm 3/3] mm: select HAVE_MOVE_PMD in x86 for faster mremap Joel Fernandes
2018-11-08 18:12   ` Joel Fernandes
2018-11-08 18:12   ` Joel Fernandes
2018-11-08 18:12   ` Joel Fernandes
2018-11-08 18:12   ` Joel Fernandes
2018-11-08 18:12   ` Joel Fernandes
2018-11-08 18:12   ` Joel Fernandes

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20181108181201.88826-4-joelaf@google.com \
    --to=joel@joelfernandes.org \
    --cc=anton.ivanov@kot-begemot.co.uk \
    --cc=catalin.marinas@arm.com \
    --cc=dalias@libc.org \
    --cc=dancol@google.com \
    --cc=dave.hansen@linux.intel.com \
    --cc=deller@gmx.de \
    --cc=hughd@google.com \
    --cc=jejb@parisc-linux.org \
    --cc=jonas@southpole.se \
    --cc=kasan-dev@googlegroups.com \
    --cc=kvmarm@l \
    --cc=linux-hexagon@vger.kernel.org \
    --cc=linux-ia64@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mips@linux-mips.org \
    --cc=linux-mm@kvack.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=linux-s390@vger.kernel.org \
    --cc=linux-sh@vger.kernel.org \
    --cc=linux-xtensa@linux-xtensa.org \
    --cc=lokeshgidra@google.com \
    --cc=mhocko@kernel.org \
    --cc=peterz@infradead.org \
    --cc=sparclinux@vger.kernel.org \
    --cc=will.deacon@arm.com \
    --cc=x86@kernel.org \
    --cc=ysato@users.sourceforge.jp \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.