It does.
http://empeg.dementia.org/v363-hacked-for-tfabris.zImage

Mark: the diff is:
--- arch/arm/special/kexec.c 26 Jan 2004 05:03:50 -0000 1.4
+++ arch/arm/special/kexec.c 8 Feb 2004 19:46:28 -0000
@@ -42,7 +42,10 @@
int i;

current->session = 1;
+#if 0
current->pgrp = 1;
+#endif
+
use_init_filesystem_context();

// Block parent process signals

why the process group matters, I'm honestly not sure.