Re: [PATCH 05/16] mm: Protect VMA modifications using VMA sequence count

[Kirill A. Shutemov]

On Tue, Aug 08, 2017 at 04:35:38PM +0200, Laurent Dufour wrote:
> The VMA sequence count has been introduced to allow fast detection of
> VMA modification when running a page fault handler without holding
> the mmap_sem.
> 
> This patch provides protection agains the VMA modification done in :
> 	- madvise()
> 	- mremap()
> 	- mpol_rebind_policy()
> 	- vma_replace_policy()
> 	- change_prot_numa()
> 	- mlock(), munlock()
> 	- mprotect()
> 	- mmap_region()
> 	- collapse_huge_page()

I don't thinks it's anywhere near complete list of places where we touch
vm_flags. What is your plan for the rest?
-- 
 Kirill A. Shutemov