On Fri, Mar 22, 2013 at 11:10:44PM +0200, Imre Deak wrote: > This is needed since currently sg_for_each_page assumes that we have > a valid page in each sg item. It is only a real problem for > CONFIG_SPARSEMEM where the page is dereferenced, in other cases the > iterator works ok with an invalid page pointer. > > We can remove this workaround when we have fixed sg_page_iter to work on > scatterlists without backing pages. > > Signed-off-by: Imre Deak <imre.deak at intel.com> Queued for -next and pushed down with a rebase to avoid bisecting issues, thanks for the patch. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch