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

Palmer Dabbelt palmer at rivosinc.com
Tue Jun 20 12:27:55 PDT 2023


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 at rivosinc.com>




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