Re: [PATCH v2 01/14] mm: Batch-copy PTE ranges during fork()

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On Wed, 15 Nov 2023 16:30:05 +0000 Ryan Roberts <ryan.roberts@xxxxxxx> wrote:

> However, the primary motivation for this change is to reduce the number
> of tlb maintenance operations that the arm64 backend has to perform
> during fork

Do you have a feeling for how much performance improved due to this? 

Are there other architectures which might similarly benefit?  By
implementing ptep_set_wrprotects(), it appears.  If so, what sort of
gains might they see?




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