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

From: Palmer Dabbelt
Date: Tue Jun 20 2023 - 15:30:58 EST



On Wed, 24 May 2023 00:59:42 +0800, Jisheng Zhang 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.
>
> [...]

Applied, thanks!

[1/1] riscv: mm: try VMA lock-based page fault handling first
https://git.kernel.org/palmer/c/648321fa0d97

Best regards,
--
Palmer Dabbelt <palmer@xxxxxxxxxxxx>