kiper220/mimalloc
1
0
Fork 0
mirror of https://github.com/microsoft/mimalloc.git synced 2025-07-06 19:38:41 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

remove reset delay slots; add reset tracking per page and segment

Browse source
This commit is contained in:
Daan Leijen 2019-11-20 14:55:12 -08:00
parent 30e2c54adb
commit 211f1aa519
11 changed files with 443 additions and 348 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/arena.c
View file

@ -107,7 +107,7 @@ static bool mi_arena_alloc(mi_arena_t* arena, size_t blocks, mi_bitmap_index_t*
size_t idx = mi_atomic_read(&arena->search_idx); // start from last search
for (size_t visited = 0; visited < fcount; visited++, idx++) {
if (idx >= fcount) idx = 0; // wrap around
if (mi_bitmap_try_claim_field(arena->blocks_inuse, idx, blocks, bitmap_idx)) {
if (mi_bitmap_try_find_claim_field(arena->blocks_inuse, idx, blocks, bitmap_idx)) {
mi_atomic_write(&arena->search_idx, idx); // start search from here next time
return true;
}
@ -137,9 +137,9 @@ static void* mi_arena_alloc_from(mi_arena_t* arena, size_t arena_index, size_t n
}
else if (commit) {
// ensure commit now
bool any_zero;
mi_bitmap_claim(arena->blocks_committed, arena->field_count, needed_bcount, bitmap_index, &any_zero);
if (any_zero) {
bool any_uncommitted;
mi_bitmap_claim(arena->blocks_committed, arena->field_count, needed_bcount, bitmap_index, &any_uncommitted);
if (any_uncommitted) {
bool commit_zero;
_mi_os_commit(p, needed_bcount * MI_ARENA_BLOCK_SIZE, &commit_zero, tld->stats);
if (commit_zero) *is_zero = true;