diff --git a/arch/powerpc/lib/dma-noncoherent.c b/arch/powerpc/lib/dma-noncoherent.c
index 31734c0969cd28014b226f300f0b1932186ea4e1..2b1ce184934410f0fbb279ffb21ffbe870b92044 100644
--- a/arch/powerpc/lib/dma-noncoherent.c
+++ b/arch/powerpc/lib/dma-noncoherent.c
@@ -320,7 +320,6 @@ static int __init dma_alloc_init(void)
 			ret = -ENOMEM;
 			break;
 		}
-		WARN_ON(!pmd_none(*pmd));
 
 		pte = pte_alloc_kernel(pmd, CONSISTENT_BASE);
 		if (!pte) {