freezer: remove PF_NOFREEZE from handle_initrd

Make handle_initrd() call try_to_freeze() in a suitable place instead of setting
PF_NOFREEZE for the current task.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Nigel Cunningham <nigel@nigel.suspend2.net>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
index 2cfd7cb36e7963bee6987c826c39a3411459666d..b222ce9e1c8bd3e4871acf564d187225ba0e574c 100644 (file)
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
@@ -55,11 +55,12 @@ static void __init handle_initrd(void)
        sys_mount(".", "/", NULL, MS_MOVE, NULL);
        sys_chroot(".");
 
-       current->flags |= PF_NOFREEZE;
        pid = kernel_thread(do_linuxrc, "/linuxrc", SIGCHLD);
        if (pid > 0) {
-               while (pid != sys_wait4(-1, NULL, 0, NULL))
+               while (pid != sys_wait4(-1, NULL, 0, NULL)) {
+                       try_to_freeze();
                        yield();
+               }
        }
 
        /* move initrd to rootfs' /old */