Paul McKenney pointed out that reading the truncate sequence number in
do_no_page might not be entirely safe if the ->nopage callout takes no
locks. The simple solution is to move the read before the unlock of
page_table_lock. Here's a patch that does it.
Dave McCracken
======================================================================
Dave McCracken IBM Linux Base Kernel Team 1-512-838-3059
[email protected] T/L 678-3059