From: Pavel Machek <pavel@ucw.cz>

Overwrite __init section so calls to __init functions from normal code
are caught, reliably.

Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 25-akpm/arch/i386/mm/init.c |    1 +
 1 files changed, 1 insertion(+)

diff -puN arch/i386/mm/init.c~__init-poisoning-for-i386 arch/i386/mm/init.c
--- 25/arch/i386/mm/init.c~__init-poisoning-for-i386	Wed Oct  6 17:09:02 2004
+++ 25-akpm/arch/i386/mm/init.c	Wed Oct  6 17:09:23 2004
@@ -723,6 +723,7 @@ void free_initmem(void)
 	for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) {
 		ClearPageReserved(virt_to_page(addr));
 		set_page_count(virt_to_page(addr), 1);
+		memset((void *)(addr & ~(PAGE_SIZE-1)), 0xcc, PAGE_SIZE);
 		free_page(addr);
 		totalram_pages++;
 	}
_