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add dedicated meta data allocation for threads and tld

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daanx 2024-12-08 12:20:54 -08:00
parent 67cc424ada
commit 2084df3dde
15 changed files with 511 additions and 411 deletions
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6
src/page-map.c
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@ -29,7 +29,7 @@ bool _mi_page_map_init(void) {
// mi_bitmap_init(&mi_page_map_commit, MI_BITMAP_MIN_BIT_COUNT, true);
mi_page_map_all_committed = (page_map_size <= 1*MI_MiB); // _mi_os_has_overcommit(); // commit on-access on Linux systems?
_mi_page_map = (uint8_t*)_mi_os_alloc_aligned(page_map_size, 1, mi_page_map_all_committed, true, &mi_page_map_memid, NULL);
_mi_page_map = (uint8_t*)_mi_os_alloc_aligned(page_map_size, 1, mi_page_map_all_committed, true, &mi_page_map_memid);
if (_mi_page_map==NULL) {
_mi_error_message(ENOMEM, "unable to reserve virtual memory for the page map (%zu KiB)\n", page_map_size / MI_KiB);
return false;
@ -41,7 +41,7 @@ bool _mi_page_map_init(void) {
// commit the first part so NULL pointers get resolved without an access violation
if (!mi_page_map_all_committed) {
bool is_zero;
_mi_os_commit(_mi_page_map, _mi_os_page_size(), &is_zero, NULL);
_mi_os_commit(_mi_page_map, _mi_os_page_size(), &is_zero);
if (!is_zero && !mi_page_map_memid.initially_zero) { _mi_memzero(_mi_page_map, _mi_os_page_size()); }
}
_mi_page_map[0] = 1; // so _mi_ptr_page(NULL) == NULL
@ -60,7 +60,7 @@ static void mi_page_map_ensure_committed(size_t idx, size_t slice_count) {
bool is_zero;
uint8_t* const start = _mi_page_map + (i*mi_page_map_entries_per_commit_bit);
const size_t size = mi_page_map_entries_per_commit_bit;
_mi_os_commit(start, size, &is_zero, NULL);
_mi_os_commit(start, size, &is_zero);
if (!is_zero && !mi_page_map_memid.initially_zero) { _mi_memzero(start,size); }
mi_bitmap_set(&mi_page_map_commit, i);
}