Re: [PATCH] mm/page_counter: fix various data races

[Qian Cai]

> On Jan 29, 2020, at 7:13 AM, Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> wrote:
> 
> By the way, can READ_ONCE()/WRITE_ONCE() really solve this warning?
> The link above says read/write on the same location ( mm/page_counter.c:129 ).
> I don't know how READ_ONCE()/WRITE_ONCE() can solve the race.

That looks like a different one where it complains about c->failcnt++. Iâll send a separate patch for that.