kiper220/mimalloc
1
0
Fork 0
mirror of https://github.com/microsoft/mimalloc.git synced 2025-07-07 03:48:42 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

split out _mi_page_try_use_delayed_free for contention reduction (issue #630)

Browse source
This commit is contained in:
daan 2022-10-31 11:01:01 -07:00
parent 7bef5f5f5b
commit 698bb2cae7
3 changed files with 10 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/alloc.c
View file

@ -531,7 +531,7 @@ bool _mi_free_delayed_block(mi_block_t* block) {
// some blocks may end up in the page `thread_free` list with no blocks in the
// heap `thread_delayed_free` list which may cause the page to be never freed!
// (it would only be freed if we happen to scan it in `mi_page_queue_find_free_ex`)
if (!_mi_page_use_delayed_free(page, MI_USE_DELAYED_FREE, false /* dont overwrite never delayed */)) {
if (!_mi_page_try_use_delayed_free(page, MI_USE_DELAYED_FREE, false /* dont overwrite never delayed */)) {
return false;
}

8
src/page.c
View file

@ -122,7 +122,13 @@ bool _mi_page_is_valid(mi_page_t* page) {
}
#endif
bool _mi_page_use_delayed_free(mi_page_t* page, mi_delayed_t delay, bool override_never) {
void _mi_page_use_delayed_free(mi_page_t* page, mi_delayed_t delay, bool override_never) {
while (!_mi_page_try_use_delayed_free(page, delay, override_never)) {
mi_atomic_yield();
}
}
bool _mi_page_try_use_delayed_free(mi_page_t* page, mi_delayed_t delay, bool override_never) {
mi_thread_free_t tfreex;
mi_delayed_t old_delay;
mi_thread_free_t tfree;