tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: eac3c6a044aaf481751d9f7fb4b6096ae431e167 commit: b3cf6ed8fbc01dda9fe93f5d4c1877a68d344678 [15642/21783] sched/topology: Provide cfs_overload_cpus bitmap config: x86_64-randconfig-r131-20240304 (https://download.01.org/0day-ci/archive/20240309/202403090244.2pF6BywY-lkp@i...) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240309/202403090244.2pF6BywY-lkp@i...)

If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202403090244.2pF6BywY-lkp@intel.com/

sparse warnings: (new ones prefixed by >>) kernel/sched/topology.c:11:15: sparse: sparse: symbol 'sched_domains_tmpmask' was not declared. Should it be static? kernel/sched/topology.c:12:15: sparse: sparse: symbol 'sched_domains_tmpmask2' was not declared. Should it be static?

...

kernel/sched/topology.c:1624:32: sparse: sparse: incorrect type in initializer (different base types) @@ expected int flags @@ got restricted gfp_t @@

kernel/sched/topology.c:1624:32: sparse: expected int flags kernel/sched/topology.c:1624:32: sparse: got restricted gfp_t

...

kernel/sched/topology.c:1632:61: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected restricted gfp_t [usertype] flags @@ got int flags @@

kernel/sched/topology.c:1632:61: sparse: expected restricted gfp_t [usertype] flags kernel/sched/topology.c:1632:61: sparse: got int flags kernel/sched/topology.c:428:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:428:9: sparse: struct sparsemask [noderef] __rcu * kernel/sched/topology.c:428:9: sparse: struct sparsemask * kernel/sched/topology.c:429:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:429:9: sparse: struct sched_domain [noderef] __rcu * kernel/sched/topology.c:429:9: sparse: struct sched_domain * kernel/sched/topology.c:432:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:432:9: sparse: struct sched_domain_shared [noderef] __rcu * kernel/sched/topology.c:432:9: sparse: struct sched_domain_shared * kernel/sched/topology.c:435:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:435:9: sparse: struct sched_domain [noderef] __rcu * kernel/sched/topology.c:435:9: sparse: struct sched_domain * kernel/sched/topology.c:438:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:438:9: sparse: struct sched_domain [noderef] __rcu * kernel/sched/topology.c:438:9: sparse: struct sched_domain * kernel/sched/topology.c:485:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:485:9: sparse: struct sched_domain [noderef] __rcu * kernel/sched/topology.c:485:9: sparse: struct sched_domain * kernel/sched/topology.c: note: in included file: kernel/sched/sched.h:1206:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1206:9: sparse: struct sched_domain [noderef] __rcu * kernel/sched/sched.h:1206:9: sparse: struct sched_domain * kernel/sched/sched.h:1219:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1219:9: sparse: struct sched_domain [noderef] __rcu * kernel/sched/sched.h:1219:9: sparse: struct sched_domain * kernel/sched/sched.h:1206:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1206:9: sparse: struct sched_domain [noderef] __rcu * kernel/sched/sched.h:1206:9: sparse: struct sched_domain * In file included from kernel/sched/topology.c:5: In file included from kernel/sched/sched.h:39: In file included from include/linux/blkdev.h:16: include/linux/pagemap.h:425:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict] 425 | filler_t *filler = (filler_t *)mapping->a_ops->readpage; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/topology.c:5: kernel/sched/sched.h:1169:15: warning: cast from 'void (*)(struct rq *)' to 'void (*)(struct callback_head *)' converts to incompatible function type [-Wcast-function-type-strict] 1169 | head->func = (void (*)(struct callback_head *))func; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 warnings generated.

vim +1624 kernel/sched/topology.c

1618 1619 static int sd_llc_alloc(struct sched_domain *sd) 1620 { 1621 struct sched_domain_shared *sds = sd->shared; 1622 struct cpumask *span = sched_domain_span(sd); 1623 int nid = cpu_to_node(cpumask_first(span));

1624 int flags = __GFP_ZERO | GFP_KERNEL;

1625 struct sparsemask *mask; 1626 1627 /* 1628 * Allocate the bitmap if not already allocated. This is called for 1629 * every CPU in the LLC but only allocates once per sd_llc_shared. 1630 */ 1631 if (!sds->cfs_overload_cpus) {

1632 mask = sparsemask_alloc_node(nr_cpu_ids, 3, flags, nid);

1633 if (!mask) 1634 return 1; 1635 sds->cfs_overload_cpus = mask; 1636 } 1637 1638 return 0; 1639 } 1640