On Thu, 23 Apr 2015 11:33:14 +0100 Mel Gorman <mgorman@xxxxxxx> wrote: > Parallel struct page frees pages one at a time. Try free pages as single > large pages where possible. > > ... > > void __defermem_init deferred_init_memmap(int nid) This function is gruesome in an 80-col display. Even the code comments wrap, which is nuts. Maybe hoist the contents of the outermost loop into a separate function, called for each zone? -- 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>