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-rw-r--r--erts/emulator/sys/common/erl_mseg.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/erts/emulator/sys/common/erl_mseg.h b/erts/emulator/sys/common/erl_mseg.h
index 460e4a514a..91e335b225 100644
--- a/erts/emulator/sys/common/erl_mseg.h
+++ b/erts/emulator/sys/common/erl_mseg.h
@@ -33,13 +33,16 @@
#if HAVE_MMAP
# define HAVE_ERTS_MSEG 1
# define HAVE_SUPER_ALIGNED_MB_CARRIERS 1
+# define MSEG_ALIGN_BITS (17) /*SVERK Configure me! */
#else
# define HAVE_ERTS_MSEG 0
# define HAVE_SUPER_ALIGNED_MB_CARRIERS 0
+# define MSEG_ALIGN_BITS (12) /*SVERK Configure me! */
#endif
#if HAVE_ERTS_MSEG
+#define MSEG_ALIGNED_SIZE (1 << MSEG_ALIGN_BITS)
#define ERTS_MSEG_FLG_NONE ((Uint)(0))
#define ERTS_MSEG_FLG_2POW ((Uint)(1 << 0))