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From: Muchun Song <muchun.song@linux.dev>
To: guoren@kernel.org
Cc: palmer@dabbelt.com, palmer@rivosinc.com, heiko@sntech.de,
	arnd@arndb.de, Muchun Song <songmuchun@bytedance.com>,
	catalin.marinas@arm.com, chenhuacai@loongson.cn,
	Conor.Dooley@microchip.com, paul.walmsley@sifive.com,
	aou@eecs.berkeley.edu, linux-arch@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	linux-mm@kvack.org, Guo Ren <guoren@linux.alibaba.com>
Subject: Re: [PATCH 2/2] riscv: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
Date: Mon, 24 Oct 2022 15:07:22 +0800	[thread overview]
Message-ID: <1F5AF29D-708A-483B-A29F-CAEE6F554866@linux.dev> (raw)
In-Reply-To: <20221023133205.3493564-3-guoren@kernel.org>



> On Oct 23, 2022, at 21:32, guoren@kernel.org wrote:
> 
> From: Guo Ren <guoren@linux.alibaba.com>
> 
> This patch enable the feature of "free some vmemmap pages of HugeTLB

We have a new name “HVO" to refer to this feature. So I’d like to rewrite
The changelog to something like “Enable HVO [1] for RISCV”.

> page" [1]. To make it work correct, we also need fixup PG_dcache_clean
> setting for huge page [2].
> 
> [1] https://lore.kernel.org/linux-doc/20210510030027.56044-1-songmuchun@bytedance.com/
> [2] https://lore.kernel.org/linux-mm/20220302084624.33340-1-songmuchun@bytedance.com/
> 
> Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
> Signed-off-by: Guo Ren <guoren@kernel.org>
> Cc: Muchun Song <songmuchun@bytedance.com>
> Cc: Huacai Chen <chenhuacai@loongson.cn>
> Cc: Arnd Bergmann <arnd@arndb.de>

I’am really glad to see more and more arches for support HVO.

Acked-by: Muchun Song <songmuchun@bytedance.com>

Thanks.



  reply	other threads:[~2022-10-24  7:07 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-23 13:32 [PATCH 0/2] Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP & fixup race condition on PG_dcache_clean guoren
2022-10-23 13:32 ` [PATCH 1/2] riscv: Fixup race condition on PG_dcache_clean in flush_icache_pte guoren
2022-10-23 13:32 ` [PATCH 2/2] riscv: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP guoren
2022-10-24  7:07   ` Muchun Song [this message]
2022-10-24  8:02     ` Guo Ren

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