Re: [PATCH v2] fs: proc: task_mmu: show page size in /proc/<pid>/numa_maps

[Rafael Aquini <aquini@redhat.com>]

On Mon, Jan 05, 2015 at 05:55:04PM -0500, Rafael Aquini wrote:
> > > +	seq_printf(m, " kernelpagesize_kB=%lu", vma_kernel_pagesize(vma) >> 10);
> > 
> > This changes the format of the numa_maps file and can potentially break
> > existing parsers.  Please discuss.
> > 
> > I'd complain about the patch's failure to update the documentation,
> > except numa_maps appears to be undocumented.  Sigh.  What the heck is "N0"?
> >
> That's a nice opportunity to attempt to sharp my doc writing skills.
> Sorry for the total failure to identify it earlier.
> I just took it as a TODO note to send a patch to document this interface soon.
>

Or perhaps that's a sign we should move the numa node locality
information to /proc/$pid/smaps and start printing a deprecation warning
for /proc/$pid/numa_maps users preparing them for a future removal?

 
> Happy new year.
> -- Rafael

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