On Fri, Apr 2, 2010 at 2:04 PM, KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote: > On Fri, 2 Apr 2010 11:51:33 +0800 > TAO HU <tghk48@xxxxxxxxxxxx> wrote: > >> 2 patches related to page_alloc.c were applied. >> Does anyone see a connection between the 2 patches and the panic? >> NOTE: the full patches are attached. >> > > I don't think there are relationship between patches and your panic. > > BTW, there is other case about the backlog rather than race in alloc_pages() > itself. If someone list_del(&page->lru) and the page is already freed, > you'll see the same backlog later. > Then, I doubt use-after-free case rather than complicated races. It does make sense. Please, grep "page handling" by out-of-mainline code. If you found out, Please, post it. -- Kind regards, Minchan Kim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>