On Thu 16-03-17 01:47:33, lkml@xxxxxxxxxxx wrote: [...] > While on the topic of understanding allocation stalls, Philip Freeman recently > mailed linux-kernel with a similar report, and in his case there are plenty of > page cache pages. It was also a GFP_HIGHUSER_MOVABLE 0-order allocation. care to point me to the report? > I'm no MM expert, but it appears a bit broken for such a low-order allocation > to stall on the order of 10 seconds when there's plenty of reclaimable pages, > in addition to mostly unused and abundant swap space on SSD. yes this might indeed signal a problem. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>