On Thu, 29 May 2008 23:22:31 -0700 (PDT) Christoph Lameter <clameter@xxxxxxx> wrote: > 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? It could be 4000. The present alloc_percpu() would support that. And struct nfs_iostats is 264 bytes and nfs does an alloc_percpu() of one of those per server and mounting thousands of servers per client is, I believe, a real-world operation. Plus for the entyenth time: saying that this code will probably work acceptably for most people in 2.6.26 is not sufficient! -- 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
