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change max_numa_node to max_numa_nodes option

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This commit is contained in:
Daan Leijen 2019-11-12 12:04:43 -08:00
parent d4f54dcf30
commit bdb8274819
3 changed files with 6 additions and 5 deletions
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7
src/os.c
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@ -998,9 +998,10 @@ static int mi_os_numa_nodex(void) {
}
static int mi_os_numa_node_countx(void) {
char buf[128];
int max_node = mi_option_get(mi_option_max_numa_node);
int max_nodes = mi_option_get(mi_option_max_numa_nodes); // set to 0 to disable detection (and NUMA awareness)
int node = 0;
for(node = 0; node < max_node; node++) {
for(node = 0; node < max_nodes; node++) {
// enumerate node entries -- todo: it there a more efficient way to do this? (but ensure there is no allocation)
snprintf(buf, 127, "/sys/devices/system/node/node%i", node + 1);
if (access(buf,R_OK) != 0) break;
}
@ -1022,7 +1023,7 @@ int _mi_os_numa_node_count_get(void) {
int ncount = mi_os_numa_node_countx();
int ncount0 = ncount;
// never more than max numa node and at least 1
int nmax = 1 + (int)mi_option_get(mi_option_max_numa_node);
int nmax = (int)mi_option_get(mi_option_max_numa_nodes);
if (ncount > nmax) ncount = nmax;
if (ncount <= 0) ncount = 1;
_mi_numa_node_count = ncount;