[patch 03/59] Check for populated zone in __drain_pages

-stable review patch. If anyone has any objections, please let us know. -- From: Christoph Lameter <[EMAIL PROTECTED]> Both process_zones() and drain_node_pages() check for populated zones before touching pagesets. However, __drain_pages does not do so, This may result in a

[patch 03/59] Check for populated zone in __drain_pages

-stable review patch. If anyone has any objections, please let us know. -- From: Christoph Lameter [EMAIL PROTECTED] Both process_zones() and drain_node_pages() check for populated zones before touching pagesets. However, __drain_pages does not do so, This may result in a NULL