On Wed, Jan 31, 2018 at 12:42:45PM -0500, Jerome Glisse wrote: > The overall idea i have is that in any place in the kernel (except memory reclaim > but that's ok) we can either get mapping or buffer_head information without relying > on struct page and if we have either one and a struct page then we can find the > other one. Why is it okay for reclaim? And what about physical memory scanners that doesn't have any side information about the page they step onto? -- Kirill A. Shutemov
