On Wed, Jan 25, 2023 at 1:30 AM 'Michal Hocko' via kernel-team <kernel-t...@android.com> wrote: > > On Wed 25-01-23 00:38:48, Suren Baghdasaryan wrote: > > Replace direct modifications to vma->vm_flags with calls to modifier > > functions to be able to track flag changes and to keep vma locking > > correctness. > > Is this a manual (git grep) based work or have you used Coccinele for > the patch generation?
It was a manual "search and replace" and in the process I temporarily renamed vm_flags to ensure I did not miss any usage. > > My potentially incomplete check > $ git grep ">[[:space:]]*vm_flags[[:space:]]*[&|^]=" > > shows that nothing should be left after this. There is still quite a lot > of direct checks of the flags (more than 600). Maybe it would be good to > make flags accessible only via accessors which would also prevent any > future direct setting of those flags in uncontrolled way as well. Yes, I think Peter's suggestion in the first patch would also require that. Much more churn but probably worth it for the future maintenance. I'll add a patch which converts all readers as well. > > Anyway > Acked-by: Michal Hocko <mho...@suse.com> Thanks for all the reviews! > -- > Michal Hocko > SUSE Labs > > -- > To unsubscribe from this group and stop receiving emails from it, send an > email to kernel-team+unsubscr...@android.com. >
