Re: [PATCH -next] mm: delete oversized WARN_ON() in kvmalloc() calls

[Leon Romanovsky]

On Thu, Dec 02, 2021 at 10:06:24AM +0800, Bixuan Cui wrote:
> Delete the WARN_ON() and return NULL directly for oversized parameter
> in kvmalloc() calls.
> Also add unlikely().
> 
> Fixes: 7661809d493b ("mm: don't allow oversized kvmalloc() calls")
> Signed-off-by: Bixuan Cui <cuibixuan@xxxxxxxxxxxxxxxxx>

How can we progress with this patch?

>From this discussion, at least for RDMA, KVM and BPF, this huge size is legit
and WARN_ON() can be seen as false alarm.

Thanks