1 files changed, 15 insertions, 0 deletions
diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index d923674624..ad8001a4ad 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -841,3 +841,18 @@ char *qemu_get_host_name(Error **errp)
 
     return g_steal_pointer(&hostname);
 }
+
+size_t qemu_get_host_physmem(void)
+{
+#ifdef _SC_PHYS_PAGES
+    long pages = sysconf(_SC_PHYS_PAGES);
+    if (pages > 0) {
+        if (pages > SIZE_MAX / qemu_real_host_page_size) {
+            return SIZE_MAX;
+        } else {
+            return pages * qemu_real_host_page_size;
+        }
+    }
+#endif
+    return 0;
+}