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SubjectRe: [PATCH v2 1/6] mm: introduce vma->vm_flags modifier functions
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

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