File 2832-Clarify-a-magical-allocation-size.patch of Package erlang
From 0aad6ef3bf360f2971d5c8b22620aecc3cdae3ef Mon Sep 17 00:00:00 2001
From: Dmytro Lytovchenko <dmytro.lytovchenko@erlang-solutions.com>
Date: Tue, 23 Oct 2018 09:14:11 +0200
Subject: [PATCH 2/4] Clarify a magical allocation size
---
erts/emulator/beam/external.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c
index 621ba108ba..9a66e491f3 100644
--- a/erts/emulator/beam/external.c
+++ b/erts/emulator/beam/external.c
@@ -1871,7 +1871,8 @@ static Eterm erts_term_to_binary_int(Process* p, Eterm Term, int level, Uint fla
#define RETURN_STATE() \
do { \
- hp = HAlloc(p, PROC_BIN_SIZE+3); \
+ static const int TUPLE2_SIZE = 2 + 1; \
+ hp = HAlloc(p, PROC_BIN_SIZE + TUPLE2_SIZE); \
c_term = erts_mk_magic_binary_term(&hp, &MSO(p), context_b); \
res = TUPLE2(hp, Term, c_term); \
BUMP_ALL_REDS(p); \
--
2.16.4
