powerpc: import a fix from arch/ppc/mm/pgtable.c

... namely, the change to the 2-argument pte_alloc_kernel.

Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 1 insertions, 3 deletions

diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index f54fb9d3927a..f4e5ac122615 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -279,18 +279,16 @@ map_page(unsigned long va, phys_addr_t pa, int flags)
         pte_t *pg;
         int err = -ENOMEM;
 
-        spin_lock(&init_mm.page_table_lock);
         /* Use upper 10 bits of VA to index the first level map */
         pd = pmd_offset(pgd_offset_k(va), va);
         /* Use middle 10 bits of VA to index the second-level map */
-        pg = pte_alloc_kernel(&init_mm, pd, va);
+        pg = pte_alloc_kernel(pd, va);
         if (pg != 0) {
                 err = 0;
                 set_pte_at(&init_mm, va, pg, pfn_pte(pa >> PAGE_SHIFT, __pgprot(flags)));
                 if (mem_init_done)
                         flush_HPTE(0, va, pmd_val(*pd));
         }
-        spin_unlock(&init_mm.page_table_lock);
         return err;
 }