On Fri, Sep 28, 2012 at 02:35:31PM +0200, Andrea Arcangeli wrote: > Speculative cache pagecache lookups can elevate the refcount from > under us, so avoid the false positive. If the refcount is < 2 we'll be > notified by a VM_BUG_ON in put_page_testzero as there are two > put_page(src_page) in a row before returning from this function. > > Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx> Much better, thank you. Reviewed-by: Johannes Weiner <hannes@xxxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>