Re: [STABLE PATCH] slub: make ->cpu_partial unsigned int

[Christopher Lameter]

On Sun, 30 Sep 2018, Matthew Wilcox wrote:

> > And the patch in mainline has Christoph's ack...
>
> I'm not saying there's a problem with the patch.  It's that the rationale
> for backporting doesn't make any damned sense.  There's something going
> on that nobody understands.  This patch is probably masking an underlying
> problem that will pop back up and bite us again someday.

Right. That is why I raised the issue. I do not see any harm in
backporting but I do not think it fixes the real issue which may be in
concurrent use of page struct fields that are overlapping.