vm audit: add VM_DONTEXPAND to mmap for drivers that need it

[sfrench/cifs-2.6.git] / kernel / relay.c

diff --git a/kernel/relay.c b/kernel/relay.c
index 61134eb7a0c8a9b2d2e0557b33ff4fbd7ff96f31..7c0373322f18892eea75e3773714554f59f46c1e 100644 (file)
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -92,6 +92,7 @@ static int relay_mmap_buf(struct rchan_buf *buf, struct vm_area_struct *vma)
                return -EINVAL;
 
        vma->vm_ops = &relay_file_mmap_ops;
+       vma->vm_flags |= VM_DONTEXPAND;
        vma->vm_private_data = buf;
        buf->chan->cb->buf_mapped(buf, filp);