On Wed, Aug 23, 2023 at 03:30:22PM +0800, Yin Fengwei wrote:
> On 8/22/23 04:20, Matthew Wilcox (Oracle) wrote:
> > +static inline struct folio *vmalloc_to_folio(const void *addr)
> > +{
> > + return page_folio(vmalloc_to_page(addr));
> I am wondering whether we should check the return value of vmalloc_to_page()?
That's a good question. Almost every user of vmalloc_to_page() just
assumes it works. But it'll cost very little to check for NULL, so
I'll put that into the next version. Thanks!
