linux-kernel - Re: [PATCH V12 3/4] mm/sparse-vmemmap: Generalise vmemmap_populate

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Message-ID: <edb1c35e-03d5-5a5a-5157-103a9d9bc3ae@intel.com>
Date:   Thu, 20 Oct 2022 08:21:56 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Huacai Chen <chenhuacai@...ngson.cn>,
        Arnd Bergmann <arnd@...db.de>,
        Huacai Chen <chenhuacai@...nel.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Dinh Nguyen <dinguyen@...nel.org>
Cc:     loongarch@...ts.linux.dev, linux-arch@...r.kernel.org,
        Xuefeng Li <lixuefeng@...ngson.cn>,
        Guo Ren <guoren@...nel.org>, Xuerui Wang <kernel@...0n.name>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Feiyang Chen <chenfeiyang@...ngson.cn>
Subject: Re: [PATCH V12 3/4] mm/sparse-vmemmap: Generalise
 vmemmap_populate_hugepages()

On 10/20/22 00:23, Huacai Chen wrote:
> From: Feiyang Chen <chenfeiyang@...ngson.cn>
> 
> Generalise vmemmap_populate_hugepages() so ARM64 & X86 & LoongArch can
> share its implementation.
> 
> Acked-by: Will Deacon <will@...nel.org>
> Signed-off-by: Feiyang Chen <chenfeiyang@...ngson.cn>
> Signed-off-by: Huacai Chen <chenhuacai@...ngson.cn>
> ---
>  arch/arm64/mm/mmu.c      | 55 +++++++-----------------
>  arch/loongarch/mm/init.c | 59 +++++++-------------------
>  arch/x86/mm/init_64.c    | 92 ++++++++++++++--------------------------
>  include/linux/mm.h       |  6 +++
>  mm/sparse-vmemmap.c      | 63 +++++++++++++++++++++++++++
>  5 files changed, 132 insertions(+), 143 deletions(-)

Thanks for doing this.  It's always nice to see the per-arch duplication
get collapsed!

Acked-by: Dave Hansen <dave.hansen@...ux.intel.com>