2 files changed, 18 insertions, 0 deletions
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index 6459fa064b..0c0acbf90c 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -275,6 +275,18 @@ erts_sys_schedule_interrupt_timed(int set, ErtsMonotonicTime timeout_time)
 }
 #endif
 
+UWord
+erts_sys_get_page_size(void)
+{
+#if defined(_SC_PAGESIZE)
+    return (UWord) sysconf(_SC_PAGESIZE);
+#elif defined(HAVE_GETPAGESIZE)
+    return (UWord) getpagesize();
+#else
+    return (UWord) 4*1024; /* Guess 4 KB */
+#endif
+}
+
 Uint
 erts_sys_misc_mem_sz(void)
 {
diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c
index f3881e0736..2cd88b503e 100644
--- a/erts/emulator/sys/win32/sys.c
+++ b/erts/emulator/sys/win32/sys.c
@@ -186,6 +186,12 @@ void sys_primitive_init(HMODULE beam)
     beam_module = (HMODULE) beam;
 }
 
+UWord
+erts_sys_get_page_size(void)
+{
+    return (UWord) 4*1024; /* Guess 4 KB */
+}
+
 Uint
 erts_sys_misc_mem_sz(void)
 {