On Fri, Aug 20, 2010 at 01:45:56PM +0800, Iram Shahzad wrote: > > What is your test scenario? Who or what has these pages isolated that is > > allowing too_many_isolated() to be true? > > I have a test app that attempts to create fragmentation. Then I run > echo 1 > /proc/sys/vm/compact_memory > That is all. That's all? Is you system idle otherwise? (for example, fresh booted and not running many processes) > The test app mallocs 2MB 100 times, memsets them. > Then it frees the even numbered 2MB blocks. > That is, 2MB*50 remains malloced and 2MB*50 gets freed. We are interested in the test app, can you share it? :) Thanks, Fengguang -- 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>