Hello, On Wed, Apr 19, 2017 at 05:58:56PM +0800, 张本龙 wrote: > Is it because I did something wrong or missed anything? As I find many > branches exist in kernel/git/tj/cgroup.tj, it would be great if you > could help explain the roles of the different branches and how the Heh, those are from a long time ago. These are all work-in-progress branches and trying to chase down which branch was for what won't be easy. They're mostly ad-hoc. > repo works in general. Especially, I want to know the first repo > branch/linux release that has writeback support so it's easier to > learn how it's built up step by step from the commit log. If it's for tracking down the commits to help understanding the code, I'd recommend tracking down the history with git whatchanged on the main files (fs/fs-writeback.c and mm/backing-dev.c and mm/page-writeback.c) and then browse the commits from there. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html