Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2 files changed, 11 insertions, 2 deletions

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 73f17c0293c0..2316840b337a 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -901,7 +901,6 @@ retry:
         h->resv_huge_pages += delta;
         ret = 0;
 
-        spin_unlock(&hugetlb_lock);
         /* Free the needed pages to the hugetlb pool */
         list_for_each_entry_safe(page, tmp, &surplus_list, lru) {
                 if ((--needed) < 0)
@@ -915,6 +914,7 @@ retry:
                 VM_BUG_ON(page_count(page));
                 enqueue_huge_page(h, page);
         }
+        spin_unlock(&hugetlb_lock);
 
         /* Free unnecessary surplus pages to the buddy allocator */
 free:
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index adc395481813..c3fdbcb17658 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -636,6 +636,7 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
         struct vm_area_struct *prev;
         struct vm_area_struct *vma;
         int err = 0;
+        pgoff_t pgoff;
         unsigned long vmstart;
         unsigned long vmend;
 
@@ -643,13 +644,21 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
         if (!vma || vma->vm_start > start)
                 return -EFAULT;
 
+        if (start > vma->vm_start)
+                prev = vma;
+
         for (; vma && vma->vm_start < end; prev = vma, vma = next) {
                 next = vma->vm_next;
                 vmstart = max(start, vma->vm_start);
                 vmend   = min(end, vma->vm_end);
 
+                if (mpol_equal(vma_policy(vma), new_pol))
+                        continue;
+
+                pgoff = vma->vm_pgoff +
+                        ((vmstart - vma->vm_start) >> PAGE_SHIFT);
                 prev = vma_merge(mm, prev, vmstart, vmend, vma->vm_flags,
-                                  vma->anon_vma, vma->vm_file, vma->vm_pgoff,
+                                  vma->anon_vma, vma->vm_file, pgoff,
                                   new_pol);
                 if (prev) {
                         vma = prev;