1 files changed, 1 insertions, 5 deletions

diff --git a/arch/ppc/kernel/dma-mapping.c b/arch/ppc/kernel/dma-mapping.c
index 0f710d2baec6..685fd0defe23 100644
--- a/arch/ppc/kernel/dma-mapping.c
+++ b/arch/ppc/kernel/dma-mapping.c
@@ -335,8 +335,6 @@ static int __init dma_alloc_init(void)
         pte_t *pte;
         int ret = 0;
 
-        spin_lock(&init_mm.page_table_lock);
-
         do {
                 pgd = pgd_offset(&init_mm, CONSISTENT_BASE);
                 pmd = pmd_alloc(&init_mm, pgd, CONSISTENT_BASE);
@@ -347,7 +345,7 @@ static int __init dma_alloc_init(void)
                 }
                 WARN_ON(!pmd_none(*pmd));
 
-                pte = pte_alloc_kernel(&init_mm, pmd, CONSISTENT_BASE);
+                pte = pte_alloc_kernel(pmd, CONSISTENT_BASE);
                 if (!pte) {
                         printk(KERN_ERR "%s: no pte tables\n", __func__);
                         ret = -ENOMEM;
@@ -357,8 +355,6 @@ static int __init dma_alloc_init(void)
                 consistent_pte = pte;
         } while (0);
 
-        spin_unlock(&init_mm.page_table_lock);
-
         return ret;
 }