On Mon, Apr 29, 2019 at 04:12:46PM +0800, Baoquan He wrote: > > > + * Calculate how many TB vmemmap region needs, and aligned to > > > + * 1TB boundary. > > > + */ > > > + vmemmap_size = (kaslr_regions[0].size_tb << (TB_SHIFT - PAGE_SHIFT)) * > > > + sizeof(struct page); > > > > Hm. Don't we need to take into account alignment requirements for struct > > page here? I'm worried about some exotic debug kernel config where > > sizeof(struct page) doesn't satify __alignof__(struct page). > > I know sizeof(struct page) has handled its own struct alignment and > padding.
I didn't realize that. Sorry for the noise. Acked-by: Kirill A. Shutemov <kir...@linux.intel.com> -- Kirill A. Shutemov
