On Thu, 29 May 2008, Andrew Morton wrote: > ext3 maintains three percpu_counters per mount. Each percpu_counter > does one percpu_alloc. People can mount an arbitrary number of ext3 > filesystems! But its 4 bytes per alloc right? > Another: there are two percpu_counters (and hence two percpu_alloc()s) > per backing_dev_info. One backing_dev_info per disk and people have > been known to have thousands (iirc ~10,000) disks online. 8 bytes per backing device. 80000 bytes for 10000 disks. > And those examples were plucked only from today's kernel. Who knows > what other problems will be in 2.6.45? We can always increase the sizes. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
