x86: remove cpa warning

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>

1 files changed, 1 insertions, 3 deletions

diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 72880993af89..0b029c97174e 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -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;