On Tue, 9 Oct 2012 22:50:48 +0200, Daniel Vetter <daniel.vetter at ffwll.ch> wrote: > The obj->pages to obj->pages->sgl rework introduced this helper, but > it doesn't actually work for n >= SG_MAX_SINGLE_ALLOC. > > For simplicity (and since right now I seem to be too stupid to see > the bug), let's just grab the right page with a for_each_sg loop. > > This is exercised by the improved hangman tests and the gem_exec_big > test in i-g-t. > > v2: Compared to v1, don't try to be clever since I seemingly only > manage to prove that I'm not clever. Only I expect that loop to show up on profiles even higher than the sg_next() from pwrite. :| I expect it to have a measureable impact upon relocation throughput, so I should measure it... -Chris -- Chris Wilson, Intel Open Source Technology Centre
