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refactor

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Daan 2025-06-18 01:37:16 -07:00
parent 98140490a9
commit 639b73ecf9
1 changed files with 1 additions and 1 deletions
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src/page-map.c
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@ -318,13 +318,13 @@ mi_decl_nodiscard static bool mi_page_map_ensure_submap_at(size_t idx, mi_submap
if mi_unlikely(sub == NULL) {
// sub map not yet allocated, alloc now
mi_memid_t memid;
mi_page_t** expect = sub;
const size_t submap_size = MI_PAGE_MAP_SUB_SIZE;
sub = (mi_submap_t)_mi_os_zalloc(submap_size, &memid);
if (sub==NULL) {
_mi_warning_message("internal error: unable to extend the page map\n");
return false;
}
mi_submap_t expect = NULL;
if (!mi_atomic_cas_ptr_strong_acq_rel(mi_page_t*, &_mi_page_map[idx], &expect, sub)) {
// another thread already allocated it.. free and continue
_mi_os_free(sub, submap_size, memid);