diff options
Diffstat (limited to 'mm/madvise.c')
| -rw-r--r-- | mm/madvise.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/mm/madvise.c b/mm/madvise.c index e310805..73180a2 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -65,7 +65,6 @@ static long madvise_behavior(struct vm_area_struct * vma, /* * vm_flags is protected by the mmap_sem held in write mode. */ - VM_ClearReadHint(vma); vma->vm_flags = new_flags; out: @@ -87,6 +86,11 @@ static long madvise_willneed(struct vm_area_struct * vma, if (!file) return -EBADF; + if (file->f_mapping->a_ops->get_xip_page) { + /* no bad return value, but ignore advice */ + return 0; + } + *prev = vma; start = ((start - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; if (end > vma->vm_end) |
