Re: [patch 2/6] mm: fix vma_is_anonymous() false-positives

On Sat, Jul 21, 2018 at 3:34 PM Linus Torvalds torvalds@linux-foundation.org wrote:

But I basically think that with those patches in place, we can:

• make vm_area_alloc() just default vm_ops to &dummy_vm_ops

• just take the part of Kirill's patch that does

           vma->vm_ops = &anon_vm_ops;
  
  

  and instead of '&anon_vm_ops', set it to NULL.

IOW, Kirill's patch now just boils down to the attached trial patch.

I will *not* be committing this last patch, I think it needs more testing and ack's. And honestly, authorship should go to Kirill if he's ok with it, because all the basic "these are the anonymous vma's" places came from Kirill's patch and work.

But it works for me, and I did commit and push out the parts that were just trivial cleanups with no actual semantic changes.

Comments?

Linus