Re: [RFC PATCH RESEND 06/28] mm: mark VMA as locked whenever vma->vm_flags are modified

2022-09-06 Thread Liam Howlett
* Suren Baghdasaryan [220906 15:01]: > On Tue, Sep 6, 2022 at 7:27 AM Laurent Dufour wrote: > > > > Le 01/09/2022 à 19:34, Suren Baghdasaryan a écrit : > > > VMA flag modifications should be done under VMA lock to prevent concurrent > > > page fault handling in that area. > > > > > > Signed-off-b

Re: [RFC PATCH RESEND 06/28] mm: mark VMA as locked whenever vma->vm_flags are modified

2022-09-06 Thread Laurent Dufour
Le 01/09/2022 à 19:34, Suren Baghdasaryan a écrit : > VMA flag modifications should be done under VMA lock to prevent concurrent > page fault handling in that area. > > Signed-off-by: Suren Baghdasaryan > --- > fs/proc/task_mmu.c | 1 + > fs/userfaultfd.c | 6 ++ > mm/madvise.c | 1 +