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>
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index f54fb9d..f4e5ac1 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -279,18 +279,16 @@
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;
}