diff options
Diffstat (limited to 'Python/pystate.c')
| -rw-r--r-- | Python/pystate.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Python/pystate.c b/Python/pystate.c index 3d6394f..274aec8 100644 --- a/Python/pystate.c +++ b/Python/pystate.c @@ -2839,6 +2839,7 @@ tstate_mimalloc_bind(PyThreadState *tstate) // the "backing" heap. mi_tld_t *tld = &mts->tld; _mi_tld_init(tld, &mts->heaps[_Py_MIMALLOC_HEAP_MEM]); + llist_init(&mts->page_list); // Exiting threads push any remaining in-use segments to the abandoned // pool to be re-claimed later by other threads. We use per-interpreter @@ -2865,6 +2866,12 @@ tstate_mimalloc_bind(PyThreadState *tstate) mts->heaps[i].debug_offset = (uint8_t)debug_offsets[i]; } + // Heaps that store Python objects should use QSBR to delay freeing + // mimalloc pages while there may be concurrent lock-free readers. + mts->heaps[_Py_MIMALLOC_HEAP_OBJECT].page_use_qsbr = true; + mts->heaps[_Py_MIMALLOC_HEAP_GC].page_use_qsbr = true; + mts->heaps[_Py_MIMALLOC_HEAP_GC_PRE].page_use_qsbr = true; + // By default, object allocations use _Py_MIMALLOC_HEAP_OBJECT. // _PyObject_GC_New() and similar functions temporarily override this to // use one of the GC heaps. |