Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation

From: Steven Rostedt
Date: Mon Feb 15 2016 - 20:16:14 EST


On Tue, 16 Feb 2016 09:47:20 +0900
Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> wrote:

> > They return true when CONFIG_TRACEPOINTS is configured in and the
> > tracepoint is enabled, and false otherwise.
>
> This implementation is what you proposed before. Please refer below
> link and source.
>
> https://lkml.org/lkml/2015/12/9/699
> arch/x86/include/asm/msr.h

That was a year ago, how am I suppose to remember ;-)

>
> There is header file dependency problem between mm.h and tracepoint.h.
> page_ref.h should be included in mm.h and tracepoint.h cannot
> be included in this case.

Ah, OK, I forgot about that. I'll take another look at it again.

A lot happened since then, that's all a fog to me.

-- Steve