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SubjectRe: [PATCH 1/4] mm/gup_benchmark: Take the mmap lock around GUP
On Wed, Sep 30, 2020 at 3:19 AM Jann Horn <> wrote:
> To be safe against concurrent changes to the VMA tree, we must take the
> mmap lock around GUP operations (excluding the GUP-fast family of
> operations, which will take the mmap lock by themselves if necessary).

(Sorry, my mail setup messed up the In-Reply-To headers, so you may
not see the patches threaded properly... let me know if you want me to

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