1 files changed, 4 insertions, 6 deletions

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 426c269e552e..6bc9dbad7dea 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -287,15 +287,15 @@ static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas)
 
 int prepare_hugepage_range(unsigned long addr, unsigned long len)
 {
-        int err;
+        int err = 0;
 
         if ( (addr+len) < addr )
                 return -EINVAL;
 
-        if ((addr + len) < 0x100000000UL)
+        if (addr < 0x100000000UL)
                 err = open_low_hpage_areas(current->mm,
                                           LOW_ESID_MASK(addr, len));
-        else
+        if ((addr + len) > 0x100000000UL)
                 err = open_high_hpage_areas(current->mm,
                                             HTLB_AREA_MASK(addr, len));
         if (err) {
@@ -754,9 +754,7 @@ repeat:
         }
 
         /*
-         * No need to use ldarx/stdcx here because all who
-         * might be updating the pte will hold the
-         * page_table_lock
+         * No need to use ldarx/stdcx here
          */
         *ptep = __pte(new_pte & ~_PAGE_BUSY);