Re: WARNING: kmalloc bug in input_mt_init_slots

From: Christopher Lameter
Date: Thu Sep 27 2018 - 11:22:25 EST


On Thu, 27 Sep 2018, Dmitry Vyukov wrote:

> On Thu, Sep 27, 2018 at 4:16 PM, Christopher Lameter <cl@xxxxxxxxx> wrote:
> > On Thu, 27 Sep 2018, Dmitry Vyukov wrote:
> >
> >> On Tue, Sep 25, 2018 at 4:04 PM, Christopher Lameter <cl@xxxxxxxxx> wrote:
> >> > On Tue, 25 Sep 2018, Dmitry Vyukov wrote:
> >> >
> >> >> Assuming that the size is large enough to fail in all allocators, is
> >> >> this warning still useful? How? Should we remove it?
> >> >
> >> > Remove it. It does not make sense because we check earlier if possible
> >> > without the warn.
> >>
> >> Mailed "mm: don't warn about large allocations for slab" to remove the warning.
> >>
> >
> > Hoe it arrives here at some point.
>
> It's here:
> https://lore.kernel.org/patchwork/patch/992660/
>

Please post on the mailing list and NAK to the patch. Testing against
KMALLOC_MAX_CACHE_SIZE is not ok.