Hello, On Wed, Nov 18, 2015 at 10:27:32AM -0800, Shi, Yang wrote: > >This was the main reason the code was structured the way it is. If > >cgroup writeback is not enabled, any derefs of mdtc variables should > >trigger warnings. Ugh... I don't know. Compiler really should be > >able to tell this much. > > Thanks for the explanation. It sounds like a compiler problem. > > If you think it is still good to cease the compile warning, maybe we could If this is gonna be a problem with new gcc versions, I don't think we have any other options. :( > just assign it to an insane value as what Andrew suggested, maybe > 0xdeadbeef. I'd just keep it at zero. Whatever we do, the effect is gonna be difficult to track down - it's not gonna blow up in an obvious way. Can you please add a comment tho explaining that this is to work around compiler deficiency? Thanks. -- tejun -- 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>