Re: [PATCH 2/3] mm: oom: show unreclaimable slab info when kernel panic

[Yang Shi]

On 9/30/17 11:43 PM, Christopher Lameter wrote:
> On Thu, 28 Sep 2017, Yang Shi wrote:
>
> > > CONFIG_SLABINFO and /proc/slabinfo have nothing to do with the
> > > unreclaimable slab info.
> >
> > The current design uses "struct slabinfo" and get_slabinfo() to retrieve some
> > info, i.e. active objs, etc. They are protected by CONFIG_SLABINFO.
>
> Ok I guess then those need to be moved out of CONFIG_SLABINFO. Otherwise
> dumping of slabs will not be supported when disabling that option.

Yes.

> Or dump CONFIG_SLABINFO ..

I prefer to this. It sounds pointless to keep CONFIG_SLABINFO. It is 
always on by default and can't be changed in menuconfig.

Thanks,
Yang

>