On Sat, May 29, 2021 at 11:41:37AM +0800, Kefeng Wang wrote:

1. cleanup access_error(), make vma flags set and check into
   __do_page_fault() and do_page_fault() directly.

2. drop fsr and task argument, instead, using vm_flags in
   __do_page_fault().

3. cleans up the multiple goto statements in __do_page_fault().

4. use current->mm directly in do_page_fault().

Signed-off-by: Kefeng Wang <redacted>

This patch is a really good example of something that is very difficult
to review and see that there are no unintended changes.

Many people have complained about my patches, where I create a series of
many patches where each patch does exactly _one_ simple transformation to
the code. This is a good example _why_ I do that - a step by step single
transformation approach is way easier to review.

Sorry, but I'm not able to sensibly review this patch, and therefore
I won't apply it. Please split it into smaller changes.

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