no_small_stack-2.patch: Remove all "small_stack" buffers.

Reference

test_python_call: 7175 calls before crash, stack: 1168 bytes/call
test_python_getitem: 6235 calls before crash, stack: 1344 bytes/call
test_python_iterator: 5344 calls before crash, stack: 1568 bytes/call

=> total: 18754 calls, 4080 bytes

no_small_stack.patch

test_python_call: 7482 calls (+307) before crash, stack: 1120 bytes/call (-48)
test_python_getitem: 6715 calls (+480) before crash, stack: 1248 bytes/call (-96)
test_python_iterator: 5693 calls (+349) before crash, stack: 1472 bytes/call (-96)

=> total: 19890 calls (+1136), 3840 bytes (-240)

The total gain is the removal of 5 small buffers of 48 bytes: 240 bytes.