2 files changed, 6 insertions, 1 deletions
diff --git a/erts/emulator/sys/common/erl_mmap.h b/erts/emulator/sys/common/erl_mmap.h
index 61d912fd28..67e131b53e 100644
--- a/erts/emulator/sys/common/erl_mmap.h
+++ b/erts/emulator/sys/common/erl_mmap.h
@@ -50,8 +50,10 @@ typedef struct {
 #define ERTS_MMAP_INIT_DEFAULT_INITER \
     {{NULL, NULL}, {NULL, NULL}, 0, 1, (1 << 16), 1}
 
+#define ERTS_LITERAL_VIRTUAL_AREA_SIZE (UWORD_CONSTANT(1)*1024*1024*1024)
+
 #define ERTS_MMAP_INIT_LITERAL_INITER \
-    {{NULL, NULL}, {NULL, NULL}, 1024*1024*1024, 1, (1 << 16), 0}
+    {{NULL, NULL}, {NULL, NULL}, ERTS_LITERAL_VIRTUAL_AREA_SIZE, 1, (1 << 16), 0}
 
 typedef struct ErtsMemMapper_ ErtsMemMapper;
 
diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c
index 461f0faf75..286130bece 100644
--- a/erts/emulator/sys/common/erl_mseg.c
+++ b/erts/emulator/sys/common/erl_mseg.c
@@ -1403,6 +1403,9 @@ erts_mseg_init(ErtsMsegInit_t *init)
     erts_mtx_init(&init_atoms_mutex, "mseg_init_atoms");
 
     erts_mmap_init(&erts_dflt_mmapper, &init->dflt_mmap);
+#if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
+    erts_mmap_init(&erts_literal_mmapper, &init->literal_mmap);
+#endif
 
     if (!IS_2POW(GET_PAGE_SIZE))
 	erts_exit(ERTS_ABORT_EXIT, "erts_mseg: Unexpected page_size %beu\n", GET_PAGE_SIZE);