Hi Cody, On Mon, May 13, 2013 at 10:08 PM, Cody P Schafer <cody@xxxxxxxxxxxxxxxxxx> wrote: > "Problems" with the current code: > 1. there is a lack of synchronization in setting ->high and ->batch in > percpu_pagelist_fraction_sysctl_handler() > 2. stop_machine() in zone_pcp_update() is unnecissary. > 3. zone_pcp_update() does not consider the case where percpu_pagelist_fraction is non-zero Maybe it's just me but I find the above problem description confusing. How does the problem manifest itself? How did you find about it? Why do we need to fix all three problems in the same patch set? Pekka -- 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>