x86: remove cpa warning
authorIngo Molnar <mingo@elte.hu>
Mon, 4 Feb 2008 15:48:08 +0000 (16:48 +0100)
committerIngo Molnar <mingo@elte.hu>
Mon, 4 Feb 2008 15:48:08 +0000 (16:48 +0100)
this race is legit and can happen on SMP systems.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/mm/pageattr.c

index 7288099..0b029c9 100644 (file)
@@ -356,10 +356,8 @@ static int split_large_page(pte_t *kpte, unsigned long address)
         * up for us already:
         */
        tmp = lookup_address(address, &level);
-       if (tmp != kpte) {
-               WARN_ON_ONCE(1);
+       if (tmp != kpte)
                goto out_unlock;
-       }
 
        address = __pa(address);
        addr = address & PMD_PAGE_MASK;