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-rw-r--r--drivers/xen/xenfs/privcmd.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/xen/xenfs/privcmd.c b/drivers/xen/xenfs/privcmd.c
index c7192f314f86..6b602f505363 100644
--- a/drivers/xen/xenfs/privcmd.c
+++ b/drivers/xen/xenfs/privcmd.c
@@ -403,6 +403,10 @@ static long privcmd_ioctl(struct file *file,
#ifndef HAVE_ARCH_PRIVCMD_MMAP
static int privcmd_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
+ printk(KERN_DEBUG "privcmd_fault: vma=%p %lx-%lx, pgoff=%lx, uv=%p\n",
+ vma, vma->vm_start, vma->vm_end,
+ vmf->pgoff, vmf->virtual_address);
+
return VM_FAULT_SIGBUS;
}