2 files changed, 16 insertions, 0 deletions
diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 6acbbef971..631a1dea33 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -135,6 +135,14 @@ void qemu_vfree(void *ptr)
     free(ptr);
 }
 
+void qemu_anon_ram_free(void *ptr, size_t size)
+{
+    trace_qemu_anon_ram_free(ptr, size);
+    if (ptr) {
+        munmap(ptr, size);
+    }
+}
+
 void qemu_set_block(int fd)
 {
     int f;
diff --git a/util/oslib-win32.c b/util/oslib-win32.c
index 5b1fc20cc6..df2ecbdffb 100644
--- a/util/oslib-win32.c
+++ b/util/oslib-win32.c
@@ -76,6 +76,14 @@ void qemu_vfree(void *ptr)
     }
 }
 
+void qemu_anon_ram_free(void *ptr, size_t size)
+{
+    trace_qemu_anon_ram_free(ptr, size);
+    if (ptr) {
+        VirtualFree(ptr, 0, MEM_RELEASE);
+    }
+}
+
 /* FIXME: add proper locking */
 struct tm *gmtime_r(const time_t *timep, struct tm *result)
 {