On Sat, 19 Oct 2013, JoonSoo Kim wrote: > I search the history of struct page and find that the SLUB use mapping field > in past (2007 year). At that time, you inserted VM_BUG_ON(PageSlab(page)) > ('b5fab14') into page_mapping() function to find remaining use. Recently, > I never hear that this is triggered and 6 years have passed since inserting > VM_BUG_ON(), so I guess there is no problem to use it. > If this argument is reasonable, please give me an ACK :) > > Thanks. Acked-by: Christoph Lameter <cl@xxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>