On Thu, 1 Aug 2013 21:29:59 -0400 Ed Cashin <ecas...@coraid.com> wrote:
> As discussed previously, I think I missed that. > the fact that some users of the block > layer provide bios that point to pages with a zero _count means > that it is not OK for the network layer to do a put_page on the > skb frags during an skb_linearize, so the aoe driver gets a > reference to pages in bios and puts the reference before ending > the bio. And because it cannot use get_page on a page with a > zero _count, it manipulates the value directly. Eh? What code is putting count==0 pages into bios? That sounds very weird and broken. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
