diff options
Diffstat (limited to 'mm/mempolicy.c')
| -rw-r--r-- | mm/mempolicy.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 11d824f282f..902d4c9eccd 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -228,9 +228,9 @@ static int check_pte_range(struct vm_area_struct *vma, pmd_t *pmd, { pte_t *orig_pte; pte_t *pte; + spinlock_t *ptl; - spin_lock(&vma->vm_mm->page_table_lock); - orig_pte = pte = pte_offset_map(pmd, addr); + orig_pte = pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl); do { unsigned long pfn; unsigned int nid; @@ -246,8 +246,7 @@ static int check_pte_range(struct vm_area_struct *vma, pmd_t *pmd, if (!node_isset(nid, *nodes)) break; } while (pte++, addr += PAGE_SIZE, addr != end); - pte_unmap(orig_pte); - spin_unlock(&vma->vm_mm->page_table_lock); + pte_unmap_unlock(orig_pte, ptl); return addr != end; } |