linux-kernel - Re: [PATCH] riscv: mm: try VMA lock-based page fault handling first

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Date:   Tue, 20 Jun 2023 19:40:23 +0000
From:   patchwork-bot+linux-riscv@...nel.org
To:     Jisheng Zhang <jszhang@...nel.org>
Cc:     linux-riscv@...ts.infradead.org, paul.walmsley@...ive.com,
        palmer@...belt.com, aou@...s.berkeley.edu,
        linux-kernel@...r.kernel.org, surenb@...gle.com
Subject: Re: [PATCH] riscv: mm: try VMA lock-based page fault handling first

Hello:

This patch was applied to riscv/linux.git (for-next)
by Palmer Dabbelt <palmer@...osinc.com>:

On Wed, 24 May 2023 00:59:42 +0800 you wrote:
> Attempt VMA lock-based page fault handling first, and fall back to the
> existing mmap_lock-based handling if that fails.
> 
> A simple running the ebizzy benchmark on Lichee Pi 4A shows that
> PER_VMA_LOCK can improve the ebizzy benchmark by about 32.68%. In
> theory, the more CPUs, the bigger improvement, but I don't have any
> HW platform which has more than 4 CPUs.
> 
> [...]

Here is the summary with links:
  - riscv: mm: try VMA lock-based page fault handling first
    https://git.kernel.org/riscv/c/648321fa0d97

You are awesome, thank you!
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