On Tue, 17 Jul 2012, Joonsoo Kim wrote: > @@ -1382,6 +1382,8 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode, > > err = do_migrate_pages(mm, old, new, > capable(CAP_SYS_NICE) ? MPOL_MF_MOVE_ALL : MPOL_MF_MOVE); > + if (err > 0) > + err = -EBUSY; > > mmput(mm); > out: Why not have do_migrate_pages() return EBUSY if we do not need the number of failed/retried pages? -- 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>