[PATCH] arm: mm: try VMA lock-based page fault handling first
Kefeng Wang
wangkefeng.wang at huawei.com
Thu Oct 19 04:10:33 PDT 2023
On 2023/10/19 18:55, Russell King (Oracle) wrote:
> On Wed, Oct 18, 2023 at 04:03:32PM +0800, Kefeng Wang wrote:
>> Attempt VMA lock-based page fault handling first, and fall back to the
>> existing mmap_lock-based handling if that fails, the ebizzy benchmark
>> shows 25% improvement(records/s) on qemu with 2 cpus.
>
> Looks fine to me, but I wonder how much of this code gets repeated in
> the other architectures.
Thanks, I post a rfc to reduce the code reduplication between archs,
but not too much reply about it[1], so I give up.
>
> What is the plan for merging this? If you would like me to apply it,
> please submit it to the patch system, details in my signature below.
>
sure, I will submit via arm patch system.
[1]https://lore.kernel.org/linux-mm/20230821123056.2109942-1-wangkefeng.wang@huawei.com/
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