tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6014cfa5bf32cf8c5c58b3cfd5ee0e1542c8a825 commit: 05eaba9bd8c0658004f71e781568f55263da8a64 [10517/10906] NFSD: limit the number of v4 clients to 1024 per 1GB of system memory config: arm-h3600_defconfig (https://download.01.org/0day-ci/archive/20220716/202207161955.NzM8CnQR-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=05eaba9bd8c0658004f71e781568f55263da8a64 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 05eaba9bd8c0658004f71e781568f55263da8a64 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash fs/nfsd/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): fs/nfsd/nfsctl.c: In function 'nfsd_init_net': >> fs/nfsd/nfsctl.c:1504:24: error: 'NFS4_CLIENTS_PER_GB' undeclared (first use in this function) 1504 | max_clients *= NFS4_CLIENTS_PER_GB; | ^~~~~~~~~~~~~~~~~~~ fs/nfsd/nfsctl.c:1504:24: note: each undeclared identifier is reported only once for each function it appears in In file included from include/linux/kernel.h:26, from include/linux/cpumask.h:10, from include/linux/smp.h:13, from include/linux/lockdep.h:14, from include/linux/spinlock.h:62, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/slab.h:15, from fs/nfsd/nfsctl.c:8: include/linux/minmax.h:36:9: error: first argument to '__builtin_choose_expr' not a constant 36 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:112:33: note: in expansion of macro '__careful_cmp' 112 | #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) | ^~~~~~~~~~~~~ fs/nfsd/nfsctl.c:1505:32: note: in expansion of macro 'max_t' 1505 | nn->nfs4_max_clients = max_t(int, max_clients, NFS4_CLIENTS_PER_GB); | ^~~~~ vim +/NFS4_CLIENTS_PER_GB +1504 fs/nfsd/nfsctl.c 1470 1471 static __net_init int nfsd_init_net(struct net *net) 1472 { 1473 int retval; 1474 struct nfsd_net *nn = net_generic(net, nfsd_net_id); 1475 struct sysinfo si; 1476 u64 max_clients; 1477 1478 retval = nfsd_export_init(net); 1479 if (retval) 1480 goto out_export_error; 1481 retval = nfsd_idmap_init(net); 1482 if (retval) 1483 goto out_idmap_error; 1484 nn->nfsd_versions = NULL; 1485 nn->nfsd4_minorversions = NULL; 1486 retval = nfsd_reply_cache_init(nn); 1487 if (retval) 1488 goto out_drc_error; 1489 nn->nfsd4_lease = 90; /* default lease time */ 1490 nn->nfsd4_grace = 90; 1491 nn->somebody_reclaimed = false; 1492 nn->track_reclaim_completes = false; 1493 nn->clverifier_counter = prandom_u32(); 1494 nn->clientid_base = prandom_u32(); 1495 nn->clientid_counter = nn->clientid_base + 1; 1496 nn->s2s_cp_cl_id = nn->clientid_counter++; 1497 1498 get_random_bytes(&nn->siphash_key, sizeof(nn->siphash_key)); 1499 seqlock_init(&nn->writeverf_lock); 1500 1501 atomic_set(&nn->nfs4_client_count, 0); 1502 si_meminfo(&si); 1503 max_clients = (u64)si.totalram * si.mem_unit / (1024 * 1024 * 1024); > 1504 max_clients *= NFS4_CLIENTS_PER_GB; 1505 nn->nfs4_max_clients = max_t(int, max_clients, NFS4_CLIENTS_PER_GB); 1506 1507 return 0; 1508 1509 out_drc_error: 1510 nfsd_idmap_shutdown(net); 1511 out_idmap_error: 1512 nfsd_export_shutdown(net); 1513 out_export_error: 1514 return retval; 1515 } 1516 -- 0-DAY CI Kernel Test Service https://01.org/lkp
