Hi Andrew,
On Thu, Dec 07, 2017 at 03:45:19PM -0800, Andrew Morton wrote:
> On Thu, 7 Dec 2017 18:54:19 +0800 changbin.du@xxxxxxxxx wrote:
>
> > From: Changbin Du <changbin.du@xxxxxxxxx>
[snip]
> -static inline void prep_transhuge_page(struct page *page) {}
> > +#define alloc_transhuge_page_vma(gfp_mask, vma, addr) NULL
> > +#define alloc_transhuge_page_nodemask(gfp_mask, preferred_nid, nmask) NULL
> > +#define alloc_transhuge_page_node(nid, gfp_maskg) NULL
> > +#define alloc_transhuge_page(gfp_mask) NULL
>
> Ugly. And such things can cause unused-variable warnings in calling
> code. Whereas
>
> static inline struct page *alloc_transhuge_page_vma(gfp_t gfp_mask,
> struct vm_area_struct *vma, unsigned long addr)
> {
> return NULL;
> }
>
> will avoid such warnings.
>
Thanks for pointing out, I will update it.
>
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--
Thanks,
Changbin Du
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