diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/memory.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c index c2d4c477e5bb..d3ee2ea5615c 100644 --- a/mm/memory.c +++ b/mm/memory.c | |||
@@ -1672,8 +1672,14 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr, | |||
1672 | vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP; | 1672 | vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP; |
1673 | 1673 | ||
1674 | err = track_pfn_vma_new(vma, prot, pfn, PAGE_ALIGN(size)); | 1674 | err = track_pfn_vma_new(vma, prot, pfn, PAGE_ALIGN(size)); |
1675 | if (err) | 1675 | if (err) { |
1676 | /* | ||
1677 | * To indicate that track_pfn related cleanup is not | ||
1678 | * needed from higher level routine calling unmap_vmas | ||
1679 | */ | ||
1680 | vma->vm_flags &= ~(VM_IO | VM_RESERVED | VM_PFNMAP); | ||
1676 | return -EINVAL; | 1681 | return -EINVAL; |
1682 | } | ||
1677 | 1683 | ||
1678 | BUG_ON(addr >= end); | 1684 | BUG_ON(addr >= end); |
1679 | pfn -= addr >> PAGE_SHIFT; | 1685 | pfn -= addr >> PAGE_SHIFT; |