On Wed, Nov 02, 2016 at 07:40:24PM +1100, Nicholas Piggin wrote:
> On Wed, 2 Nov 2016 11:33:51 +0300
> "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> wrote:
> > On Wed, Nov 02, 2016 at 07:12:48PM +1100, Nicholas Piggin wrote:
> > > On Wed, 2 Nov 2016 10:58:55 +0300
> > > "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> wrote:
> > >
> > > Oh my mistake, that should be something like PF_ONLY_HEAD, where
> > >
> > > #define PF_ONLY_HEAD(page, enforce) ({ \
> > > VM_BUG_ON_PGFLAGS(PageTail(page), page); \
> > > page; })
> >
> > Feel free to rename PF_NO_TAIL :)
> >
>
> I think we don't need tests on non-head pages, so it's slightly different.
Ah. Okay, fair enough.
--
Kirill A. Shutemov
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