diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/include/linux/numa.h | 16 | ||||
| -rw-r--r-- | tools/perf/bench/numa.c | 7 |
2 files changed, 20 insertions, 3 deletions
diff --git a/tools/include/linux/numa.h b/tools/include/linux/numa.h new file mode 100644 index 000000000000..110b0e5d0fb0 --- /dev/null +++ b/tools/include/linux/numa.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_NUMA_H +#define _LINUX_NUMA_H + + +#ifdef CONFIG_NODES_SHIFT +#define NODES_SHIFT CONFIG_NODES_SHIFT +#else +#define NODES_SHIFT 0 +#endif + +#define MAX_NUMNODES (1 << NODES_SHIFT) + +#define NUMA_NO_NODE (-1) + +#endif /* _LINUX_NUMA_H */ diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c index 44195514b19e..98ad783efc69 100644 --- a/tools/perf/bench/numa.c +++ b/tools/perf/bench/numa.c @@ -34,6 +34,7 @@ #include <sys/types.h> #include <linux/kernel.h> #include <linux/time64.h> +#include <linux/numa.h> #include <numa.h> #include <numaif.h> @@ -298,7 +299,7 @@ static cpu_set_t bind_to_node(int target_node) CPU_ZERO(&mask); - if (target_node == -1) { + if (target_node == NUMA_NO_NODE) { for (cpu = 0; cpu < g->p.nr_cpus; cpu++) CPU_SET(cpu, &mask); } else { @@ -339,7 +340,7 @@ static void bind_to_memnode(int node) unsigned long nodemask; int ret; - if (node == -1) + if (node == NUMA_NO_NODE) return; BUG_ON(g->p.nr_nodes > (int)sizeof(nodemask)*8); @@ -1363,7 +1364,7 @@ static void init_thread_data(void) int cpu; /* Allow all nodes by default: */ - td->bind_node = -1; + td->bind_node = NUMA_NO_NODE; /* Allow all CPUs by default: */ CPU_ZERO(&td->bind_cpumask); |