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-rw-r--r--erts/emulator/beam/erl_alloc.c18
-rw-r--r--erts/emulator/beam/erl_alloc_util.h2
2 files changed, 18 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index 50385c9f8c..b9c3b43498 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -1173,6 +1173,11 @@ handle_au_arg(struct au_init *auip,
break;
case 'e':
auip->enable = get_bool_value(sub_param+1, argv, ip);
+#if !HAVE_ERTS_SBMBC
+ if (auip->init.util.alloc_no == ERTS_ALC_A_SBMBC) {
+ auip->enable = 0;
+ }
+#endif
break;
case 'l':
if (has_prefix("lmbcs", sub_param)) {
@@ -1233,10 +1238,16 @@ handle_au_arg(struct au_init *auip,
auip->init.util.sbct = get_kb_value(sub_param + 4, argv, ip);
}
else if (has_prefix("sbmbcs", sub_param)) {
- auip->init.util.sbmbcs = get_byte_value(sub_param + 6, argv, ip);
+#if HAVE_ERTS_SBMBC
+ auip->init.util.sbmbcs =
+#endif
+ get_byte_value(sub_param + 6, argv, ip);
}
else if (has_prefix("sbmbct", sub_param)) {
- auip->init.util.sbmbct = get_byte_value(sub_param + 6, argv, ip);
+#if HAVE_ERTS_SBMBC
+ auip->init.util.sbmbct =
+#endif
+ get_byte_value(sub_param + 6, argv, ip);
}
else if (has_prefix("smbcs", sub_param)) {
auip->default_.smbcs = 0;
@@ -1390,6 +1401,9 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init)
else if (strcmp("max", arg) == 0) {
for (a = 0; a < aui_sz; a++)
aui[a]->enable = 1;
+#if !HAVE_ERTS_SBMBC
+ init->sbmbc_alloc.enable = 0;
+#endif
}
else if (strcmp("config", arg) == 0) {
init->erts_alloc_config = 1;
diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h
index 9c15547574..423bb0517e 100644
--- a/erts/emulator/beam/erl_alloc_util.h
+++ b/erts/emulator/beam/erl_alloc_util.h
@@ -237,8 +237,10 @@ erts_aint32_t erts_alcu_fix_alloc_shrink(Allctr_t *, erts_aint32_t);
# define MBC_ABLK_OFFSET_SHIFT (sizeof(UWord)*8 - MBC_ABLK_OFFSET_BITS)
# define MBC_ABLK_OFFSET_MASK (~((UWord)0) << MBC_ABLK_OFFSET_SHIFT)
# define MBC_ABLK_SZ_MASK (~MBC_ABLK_OFFSET_MASK & ~FLG_MASK)
+# define HAVE_ERTS_SBMBC 0
#else
# define MBC_ABLK_SZ_MASK (~FLG_MASK)
+# define HAVE_ERTS_SBMBC 1
#endif
#define MBC_ABLK_SZ(B) (ASSERT_EXPR(!is_sbc_blk(B)), (B)->bhdr & MBC_ABLK_SZ_MASK)