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-rw-r--r--erts/emulator/sys/common/erl_mseg.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/erts/emulator/sys/common/erl_mseg.h b/erts/emulator/sys/common/erl_mseg.h
index f260c6506f..8f8cb0e121 100644
--- a/erts/emulator/sys/common/erl_mseg.h
+++ b/erts/emulator/sys/common/erl_mseg.h
@@ -39,9 +39,17 @@
#endif
#if HAVE_SUPER_ALIGNED_MB_CARRIERS
-# define MSEG_ALIGN_BITS (17) /*SVERK Configure me! */
+# define MSEG_ALIGN_BITS (17)
#else
-# define MSEG_ALIGN_BITS (12) /*SVERK Configure me! */
+/* If we don't use super aligned multiblock carriers
+ * we will mmap with page size alignment (and thus use corresponding
+ * align bits).
+ *
+ * Current implementation needs this to be a constant and
+ * only uses this for user dev testing so setting page size
+ * to 4096 (12 bits) is fine.
+ */
+# define MSEG_ALIGN_BITS (12)
#endif
#if HAVE_ERTS_MSEG