Re: mm: convert vma->vm_flags to 64bit

[KOSAKI Motohiro]

> On Tue, Apr 12, 2011 at 10:12 AM, KOSAKI Motohiro
> <kosaki.motohiro@xxxxxxxxxxxxxx> wrote:
> > After next year? All developers don't have to ignore compiler warnings!
> 
> At least add vm_flags_t which is sparse-checked, just like we do with gfp_t.

Good idea.

> VM_SAO is ppc64 only, so it could be moved into high part,
> freeing 1 bit?

Sure. But It have to be done after two kernel release cycle or so on.
I mean I'm afraid anyone add new vm_flags usage concurrently.



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