user: introduce "-d page"

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/qemu-log.c b/qemu-log.c
index 7cb01a8..901b930 100644
--- a/qemu-log.c
+++ b/qemu-log.c
@@ -117,6 +117,8 @@
     { LOG_GUEST_ERROR, "guest_errors",
       "log when the guest OS does something invalid (eg accessing a\n"
       "non-existent register)" },
+    { CPU_LOG_PAGE, "page",
+      "dump pages at beginning of user mode emulation" },
     { CPU_LOG_TB_NOCHAIN, "nochain",
       "do not chain compiled TBs so that \"exec\" and \"cpu\" show\n"
       "complete traces" },