On Wed, Jan 25, 2023 at 12:38:46AM -0800, Suren Baghdasaryan wrote: > +/* Use when VMA is not part of the VMA tree and needs no locking */ > +static inline void init_vm_flags(struct vm_area_struct *vma, > + unsigned long flags) > +{ > + vma->vm_flags = flags; vm_flags are supposed to have type vm_flags_t. That's not been fully realised yet, but perhaps we could avoid making it worse? > pgprot_t vm_page_prot; > - unsigned long vm_flags; /* Flags, see mm.h. */ > + > + /* > + * Flags, see mm.h. > + * WARNING! Do not modify directly. > + * Use {init|reset|set|clear|mod}_vm_flags() functions instead. > + */ > + unsigned long vm_flags; Including changing this line to vm_flags_t