On Sun, Jun 26, 2016 at 02:04:40AM +0900, Tetsuo Handa wrote: > It seems to me that somebody is using ALLOC_NO_WATERMARKS (with possibly > __GFP_NOWARN), but I don't know how to identify such callers. Maybe print > backtrace from __alloc_pages_slowpath() when ALLOC_NO_WATERMARKS is used? Wouldn't this create too much output for slow serial console? Or is this case supposed to be triggered rarely? This crash testing is pretty painful but I can try it tomorrow if there is no better idea. Johannes -- 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>