Re: [PATCH v2 4/6] mm: lock vma explicitly before doing vm_flags_reset and vm_flags_reset_once

From: Linus Torvalds
Date: Wed Aug 02 2023 - 14:54:49 EST


On Wed, 2 Aug 2023 at 11:09, Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote:
>
> Ok, IOW the vma would be already locked before mmap() is called...

Yup.

> Just to confirm, you are suggesting to remove vma_start_write() call
> from hfi1_file_mmap() and let vm_flags_reset() generate an assertion
> if it's ever called with an unlocked vma, correct?

Correct.

Linus