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fix numa node count on linux: return the count, not the highest node … #1365

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Merged
Daan (daanx) merged 1 commit into from
Aug 14, 2026
+2 −2
Merged

fix numa node count on linux: return the count, not the highest node … #1365

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4 changes: 2 additions & 2 deletions src/prim/unix/prim.c
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Original file line number Diff line number Diff line change
Expand Up @@ -609,7 +609,7 @@ size_t _mi_prim_numa_node(void) {

size_t _mi_prim_numa_node_count(void) {
char buf[128];
unsigned last_found = 1;
unsigned last_found = 0;
for(unsigned node = 1; node < 256; node++) {
// enumerate node entries -- todo: it there a more efficient way to do this? (but ensure there is no allocation)
_mi_snprintf(buf, 127, "/sys/devices/system/node/node%u", node);
Expand All @@ -618,7 +618,7 @@ size_t _mi_prim_numa_node_count(void) {
}
else { last_found = node; } // highest found node
}
return last_found;
return last_found + 1;
}

#elif defined(__FreeBSD__) && __FreeBSD_version >= 1200000
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