x86: debug: double-check the empty zero page



temporary debugging - remove before this hits v2.6.25.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent 48ddb154

arch/x86/mm/init_64.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -497,6 +497,14 @@ void __init mem_init(void)

		/* clear_bss() already clear the empty_zero_page */

		/* temporary debugging - double check it's true: */
		{
		int i;

		for (i = 0; i < 1024; i++)
		WARN_ON_ONCE(empty_zero_page[i]);
		}

		reservedpages = 0;

		/* this will put all low memory onto the freelists */