On Mon, Apr 08, 2024 at 03:45:37PM -0700, Jane Chu wrote: > On 4/8/2024 12:42 PM, Matthew Wilcox (Oracle) wrote: > > +#ifdef CONFIG_MEMORY_FAILURE > > /** > > * page_mapped_in_vma - check whether a page is really mapped in a VMA > > * @page: the page to test > > @@ -344,3 +345,4 @@ int page_mapped_in_vma(struct page *page, struct vm_area_struct *vma) > > out: > > return pvmw.address; > > } > > +#endif > > Should below be put in the CONFIG_MEMORY_FAILURE bracket as well ? > > include/linux/rmap.h: int page_mapped_in_vma(struct page *page, struct > vm_area_struct *vma); I don't see why we should; I see no advantage to adding that ifdef. What would motivate you to add it? > with that, > > Reviewed-by: Jane Chu <jane.chu@xxxxxxxxxx> Thanks!