On Tue, 18 May 2010, Haicheng Li wrote: > +extern struct mutex zonelists_pageset_mutex; The mutext is used for multiple serializations having to do with zones. "pageset" suggests its only for pagesets. So zones_mutex? or zonelists_mutex? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>