On 05/17/2017 05:40 PM, Tejun Heo wrote: > Hello, > > On Mon, May 15, 2017 at 09:34:08AM -0400, Waiman Long wrote: >> The reference count in the css_set data structure was used as a >> proxy of the number of tasks attached to that css_set. However, that >> count is actually not an accurate measure especially with thread mode >> support. So a new variable task_count is added to the css_set to keep >> track of the actual task count. This new variable is protected by >> the css_set_lock. Functions that require the actual task count are >> updated to use the new variable. >> >> Signed-off-by: Waiman Long <longman@xxxxxxxxxx> > Looks good. We probably should replace css_set_populated() to use > this too. > > Thanks. > Yes, you are right. css_set_populated() can be replaced with a check on the task_count. Regards, Longman -- 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>
