On Wed, Nov 28, 2018 at 04:55:25PM -0700, Yu Zhao wrote: > Pagetable page doesn't touch page->mapping or have any used field > that overlaps with it. No need to clear mapping in dtor. In fact, > doing so might mask problems that otherwise would be detected by > bad_page(). > > Signed-off-by: Yu Zhao <yuzhao@xxxxxxxxxx> Reviewed-by: Matthew Wilcox <willy@xxxxxxxxxxxxx> I do have plans to use page->mapping for pt_mm, but this patch won't get in my way when I find the round tuits to do that work.
