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authorAlexey Dobriyan <adobriyan@gmail.com>2019-03-05 15:48:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-05 21:07:19 -0800
commitb9726c26dc21b15a2faea96fae3a42f2f7fffdcb (patch)
tree28c39800b37b56f9cb026a8dfc79e35c6208e2b4 /arch/x86/mm/numa.c
parentmm,oom: don't kill global init via memory.oom.group (diff)
downloadlinux-dev-b9726c26dc21b15a2faea96fae3a42f2f7fffdcb.tar.xz
linux-dev-b9726c26dc21b15a2faea96fae3a42f2f7fffdcb.zip
numa: make "nr_node_ids" unsigned int
Number of NUMA nodes can't be negative. This saves a few bytes on x86_64: add/remove: 0/0 grow/shrink: 4/21 up/down: 27/-265 (-238) Function old new delta hv_synic_alloc.cold 88 110 +22 prealloc_shrinker 260 262 +2 bootstrap 249 251 +2 sched_init_numa 1566 1567 +1 show_slab_objects 778 777 -1 s_show 1201 1200 -1 kmem_cache_init 346 345 -1 __alloc_workqueue_key 1146 1145 -1 mem_cgroup_css_alloc 1614 1612 -2 __do_sys_swapon 4702 4699 -3 __list_lru_init 655 651 -4 nic_probe 2379 2374 -5 store_user_store 118 111 -7 red_zone_store 106 99 -7 poison_store 106 99 -7 wq_numa_init 348 338 -10 __kmem_cache_empty 75 65 -10 task_numa_free 186 173 -13 merge_across_nodes_store 351 336 -15 irq_create_affinity_masks 1261 1246 -15 do_numa_crng_init 343 321 -22 task_numa_fault 4760 4737 -23 swapfile_init 179 156 -23 hv_synic_alloc 536 492 -44 apply_wqattrs_prepare 746 695 -51 Link: http://lkml.kernel.org/r/20190201223029.GA15820@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--arch/x86/mm/numa.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 1308f5408bf7..12c1b7a83ed7 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -123,7 +123,7 @@ void __init setup_node_to_cpumask_map(void)
alloc_bootmem_cpumask_var(&node_to_cpumask_map[node]);
/* cpumask_of_node() will now work */
- pr_debug("Node to cpumask map for %d nodes\n", nr_node_ids);
+ pr_debug("Node to cpumask map for %u nodes\n", nr_node_ids);
}
static int __init numa_add_memblk_to(int nid, u64 start, u64 end,
@@ -866,7 +866,7 @@ const struct cpumask *cpumask_of_node(int node)
{
if (node >= nr_node_ids) {
printk(KERN_WARNING
- "cpumask_of_node(%d): node > nr_node_ids(%d)\n",
+ "cpumask_of_node(%d): node > nr_node_ids(%u)\n",
node, nr_node_ids);
dump_stack();
return cpu_none_mask;