On 07/04/2017 07:23 AM, Joonsoo Kim wrote: > On Mon, Jul 03, 2017 at 04:18:01PM +0200, Vlastimil Babka wrote: >> allocated" looks much more sane there. But there's a warning nevertheless. > > Warning would comes from the fact that drain_all_pages() is called > before mm_percpu_wq is initialised. We could remove WARN_ON_ONCE() and add > drain_local_page(zone) to fix the problem.
Wouldn't that still leave some period during boot where kernel already runs on multiple CPU's, but mm_percpu_wq is not yet initialized and somebody tries to use it? We want to catch such cases, right? > Thanks. > > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majord...@kvack.org. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Don't email: <a href=mailto:"d...@kvack.org";> em...@kvack.org </a> >
