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From: Huacai Chen <chenhuacai@loongson.cn>
To: Arnd Bergmann <arnd@arndb.de>,
	Huacai Chen <chenhuacai@kernel.org>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Dinh Nguyen <dinguyen@kernel.org>
Cc: loongarch@lists.linux.dev, linux-arch@vger.kernel.org,
	"Xuefeng Li" <lixuefeng@loongson.cn>,
	"Guo Ren" <guoren@kernel.org>, "Xuerui Wang" <kernel@xen0n.name>,
	"Jiaxun Yang" <jiaxun.yang@flygoat.com>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	linux-mm@kvack.org, linux-mips@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	"Feiyang Chen" <chenfeiyang@loongson.cn>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Huacai Chen" <chenhuacai@loongson.cn>
Subject: [PATCH V14 4/4] LoongArch: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
Date: Thu, 27 Oct 2022 20:52:53 +0800	[thread overview]
Message-ID: <20221027125253.3458989-5-chenhuacai@loongson.cn> (raw)
In-Reply-To: <20221027125253.3458989-1-chenhuacai@loongson.cn>

From: Feiyang Chen <chenfeiyang@loongson.cn>

The feature of minimizing overhead of struct page associated with each
HugeTLB page is implemented on x86_64. However, the infrastructure of
this feature is already there, so just select ARCH_WANT_HUGETLB_PAGE_
OPTIMIZE_VMEMMAP is enough to enable this feature for LoongArch.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
 arch/loongarch/Kconfig     | 1 +
 1 files changed, 1 insertions(+)

diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index 6f7fa0c0ca08..0a6ef613124c 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -52,6 +52,7 @@ config LOONGARCH
 	select ARCH_USE_QUEUED_RWLOCKS
 	select ARCH_USE_QUEUED_SPINLOCKS
 	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT
+	select ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
 	select ARCH_WANT_LD_ORPHAN_WARN
 	select ARCH_WANTS_NO_INSTR
 	select BUILDTIME_TABLE_SORT
-- 
2.31.1


WARNING: multiple messages have this Message-ID (diff)
From: Huacai Chen <chenhuacai@loongson.cn>
To: Arnd Bergmann <arnd@arndb.de>,
	Huacai Chen <chenhuacai@kernel.org>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Dinh Nguyen <dinguyen@kernel.org>
Cc: loongarch@lists.linux.dev, linux-arch@vger.kernel.org,
	"Xuefeng Li" <lixuefeng@loongson.cn>,
	"Guo Ren" <guoren@kernel.org>, "Xuerui Wang" <kernel@xen0n.name>,
	"Jiaxun Yang" <jiaxun.yang@flygoat.com>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	linux-mm@kvack.org, linux-mips@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	"Feiyang Chen" <chenfeiyang@loongson.cn>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Huacai Chen" <chenhuacai@loongson.cn>
Subject: [PATCH V14 4/4] LoongArch: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
Date: Thu, 27 Oct 2022 20:52:53 +0800	[thread overview]
Message-ID: <20221027125253.3458989-5-chenhuacai@loongson.cn> (raw)
In-Reply-To: <20221027125253.3458989-1-chenhuacai@loongson.cn>

From: Feiyang Chen <chenfeiyang@loongson.cn>

The feature of minimizing overhead of struct page associated with each
HugeTLB page is implemented on x86_64. However, the infrastructure of
this feature is already there, so just select ARCH_WANT_HUGETLB_PAGE_
OPTIMIZE_VMEMMAP is enough to enable this feature for LoongArch.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
 arch/loongarch/Kconfig     | 1 +
 1 files changed, 1 insertions(+)

diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index 6f7fa0c0ca08..0a6ef613124c 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -52,6 +52,7 @@ config LOONGARCH
 	select ARCH_USE_QUEUED_RWLOCKS
 	select ARCH_USE_QUEUED_SPINLOCKS
 	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT
+	select ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
 	select ARCH_WANT_LD_ORPHAN_WARN
 	select ARCH_WANTS_NO_INSTR
 	select BUILDTIME_TABLE_SORT
-- 
2.31.1


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

  parent reply	other threads:[~2022-10-27 12:57 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-27 12:52 [PATCH V14 0/4] mm/sparse-vmemmap: Generalise helpers and enable for LoongArch Huacai Chen
2022-10-27 12:52 ` Huacai Chen
2022-10-27 12:52 ` [PATCH V14 1/4] MIPS&LoongArch&NIOS2: Adjust prototypes of p?d_init() Huacai Chen
2022-10-27 12:52   ` Huacai Chen
2022-10-27 12:52 ` [PATCH V14 2/4] LoongArch: Add sparse memory vmemmap support Huacai Chen
2022-10-27 12:52   ` Huacai Chen
2022-10-27 12:52 ` [PATCH V14 3/4] mm/sparse-vmemmap: Generalise vmemmap_populate_hugepages() Huacai Chen
2022-10-27 12:52   ` Huacai Chen
2022-10-27 12:52 ` Huacai Chen [this message]
2022-10-27 12:52   ` [PATCH V14 4/4] LoongArch: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP Huacai Chen
2022-11-03  2:49   ` Muchun Song
2022-11-03  2:49     ` Muchun Song
2022-11-12 10:26 ` [PATCH V14 0/4] mm/sparse-vmemmap: Generalise helpers and enable for LoongArch Huacai Chen
2022-11-12 10:26   ` Huacai Chen
2022-11-14 20:09   ` Arnd Bergmann
2022-11-14 20:09     ` Arnd Bergmann
2022-11-27  5:01     ` Huacai Chen
2022-11-27  5:01       ` Huacai Chen
2022-11-28 23:10       ` Andrew Morton
2022-11-28 23:10         ` Andrew Morton
2022-11-29  3:26         ` Huacai Chen
2022-11-29  3:26           ` Huacai Chen

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