On 2008/10/27 16:48, Trond Myklebust <trond.myklebust@xxxxxxxxxx> wrote: > OK. That points a finger at the garbage collector. Does the following > patch help at all? Hi Trond, the server's load seems to be a little bit lower with 2.6.27.6 plus your patch, but OProfile still gives me 45% in rpcauth_lookup_credcache(). See: 1060627 45.1474 (no location information) rpcauth_lookup_credcache 289362 12.3172 auth_generic.c:0 generic_match 31886 1.3573 page_alloc.c:0 get_page_from_freelist 23932 1.0187 (no location information) page_fault 22176 0.9440 (no location information) schedule 14613 0.6220 (no location information) __d_lookup [...] Max -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html