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-rw-r--r--mm/madvise.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/madvise.c b/mm/madvise.c
index 4e19615..77916e9f 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -155,11 +155,14 @@ static long madvise_dontneed(struct vm_area_struct * vma,
* Other filesystems return -ENOSYS.
*/
static long madvise_remove(struct vm_area_struct *vma,
+ struct vm_area_struct **prev,
unsigned long start, unsigned long end)
{
struct address_space *mapping;
loff_t offset, endoff;
+ *prev = vma;
+
if (vma->vm_flags & (VM_LOCKED|VM_NONLINEAR|VM_HUGETLB))
return -EINVAL;
@@ -199,7 +202,7 @@ madvise_vma(struct vm_area_struct *vma, struct vm_area_struct **prev,
error = madvise_behavior(vma, prev, start, end, behavior);
break;
case MADV_REMOVE:
- error = madvise_remove(vma, start, end);
+ error = madvise_remove(vma, prev, start, end);
break;
case MADV_WILLNEED:
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