Commit 64f351d1 authored Feb 04, 2008 by Thomas Gleixner Committed by Ingo Molnar Feb 04, 2008

x86: cpa selftest, skip non present entries



pud and pmd entries in the RAM area might be marked as non present.
Do not try to modify them in the selftest.

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

parent 07cf89c0

arch/x86/mm/pageattr-test.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -137,7 +137,8 @@ static __init int exercise_pageattr(void)

		for (k = 0; k < len[i]; k++) {
		pte = lookup_address(addr[i] + k*PAGE_SIZE, &level);
		if (!pte \|\| pgprot_val(pte_pgprot(*pte)) == 0) {
		if (!pte \|\| pgprot_val(pte_pgprot(*pte)) == 0 \|\|
		!(pte_val(*pte) & _PAGE_PRESENT)) {
		addr[i] = 0;
		break;
		}