X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fmspec.c;h=ff146c2b08fd65cb6e26498923d4df8b03ab95df;hb=b9ad8985f25c158e71844c78277a0c0b3779d0d3;hp=82f2e27dca7d17ac42072adbd56cb52a175d551a;hpb=4c5cdb1e1f2a502069f57a60b5c6b97b8106c73c;p=linux-2.6

diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c
index 82f2e27dca..ff146c2b08 100644
--- a/drivers/char/mspec.c
+++ b/drivers/char/mspec.c
@@ -283,7 +283,7 @@ mspec_mmap(struct file *file, struct vm_area_struct *vma,
 	vdata->refcnt = ATOMIC_INIT(1);
 	vma->vm_private_data = vdata;
 
-	vma->vm_flags |= (VM_IO | VM_RESERVED | VM_PFNMAP);
+	vma->vm_flags |= (VM_IO | VM_RESERVED | VM_PFNMAP | VM_DONTEXPAND);
 	if (vdata->type == MSPEC_FETCHOP || vdata->type == MSPEC_UNCACHED)
 		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 	vma->vm_ops = &mspec_vm_ops;