osdep: introduce qemu_anon_ram_free to free qemu_anon_ram_alloc-ed memory

[qemu.git] / util / oslib-posix.c

diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 6acbbef971e540164fe9b21cb19c0ba861375fc1..631a1dea333a811fc3533c75560d8cd3a29cda56 100644 (file)
--- 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;