On 09/08/2017 12:12, Kirill A. Shutemov wrote: > 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?
The goal is only to protect places where change to the VMA is impacting the page fault handling. If you think I missed one, please advise. Thanks, Laurent.
