[3.13] GH-121439: Allow PyTupleObjects with an ob_size of 20 in the free_list to be reused (gh-121428) (gh-121565)

miss-islington · satori1995 · web-flow · commit a1fc8d31a792 · 2024-07-10T08:12:54.000Z
GH-121439: Allow PyTupleObjects with an ob_size of 20 in the free_list to be reused (gh-121428) (cherry picked from commit 9585a1a) Co-authored-by: satori1995 <132636720+satori1995@users.noreply.github.com>
diff --git a/Misc/NEWS.d/next/Core and Builtins/2024-07-08-02-24-55.gh-issue-121439.jDHod3.rst b/Misc/NEWS.d/next/Core and Builtins/2024-07-08-02-24-55.gh-issue-121439.jDHod3.rst
@@ -0,0 +1 @@
+Allow tuples of length 20 in the freelist to be reused.
diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
@@ -1132,7 +1132,7 @@ maybe_freelist_pop(Py_ssize_t size)
         return NULL;
     }
     assert(size > 0);
-    if (size < PyTuple_MAXSAVESIZE) {
+    if (size <= PyTuple_MAXSAVESIZE) {
         Py_ssize_t index = size - 1;
         PyTupleObject *op = TUPLE_FREELIST.items[index];
         if (op != NULL) {

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Allow tuples of length 20 in the freelist to be reused.`
Original file line number	Diff line number	Diff line change
`@@ -1132,7 +1132,7 @@ maybe_freelist_pop(Py_ssize_t size)`
`1132`	`1132`	`return NULL;`
`1133`	`1133`	`}`
`1134`	`1134`	`assert(size > 0);`
`1135`		`- if (size < PyTuple_MAXSAVESIZE) {`
	`1135`	`+ if (size <= PyTuple_MAXSAVESIZE) {`
`1136`	`1136`	`Py_ssize_t index = size - 1;`
`1137`	`1137`	`PyTupleObject *op = TUPLE_FREELIST.items[index];`
`1138`	`1138`	`if (op != NULL) {`