gh-94841: Ensure arena_map_get() is inlined in PyObject_Free() (GH-94842

) (cherry picked from commit 9b3f779) Co-authored-by: neonene <[email protected]>
python · Jul 14, 2022 · 498c649 · 498c649
1 parent 91f7914
commit 498c649
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diff --git a/Misc/NEWS.d/next/Build/2022-07-14-02-45-44.gh-issue-94841.lLRTdf.rst b/Misc/NEWS.d/next/Build/2022-07-14-02-45-44.gh-issue-94841.lLRTdf.rst
@@ -0,0 +1 @@
+Fix the possible performance regression of :c:func:`PyObject_Free` compiled with MSVC version 1932.
diff --git a/Objects/obmalloc.c b/Objects/obmalloc.c
@@ -1445,7 +1445,7 @@ static arena_map_bot_t arena_map_root;
 
 /* Return a pointer to a bottom tree node, return NULL if it doesn't exist or
  * it cannot be created */
-static arena_map_bot_t *
+static Py_ALWAYS_INLINE arena_map_bot_t *
 arena_map_get(block *p, int create)
 {
 #ifdef USE_INTERIOR_NODES