Re: include: linux: slab: kmalloc_trace undefined when compiling drivers

Randy Dunlap
2022-11-12T17:21:52Z

Hi--

On 11/12/22 08:37, Ian Cowan wrote:
> When compiling drivers (speficially drivers/pci/hotplug), I am receiving
> the following modpost error for both `kmalloc_trace` and
> `kmalloc_node_trace` on the staging/staging-next branch:
>
> ERROR: modpost: "kmalloc_trace" [drivers/pci/hotplug/acpiphp_ibm.ko] undefined!
>
> This only occurs when I have 'CONFIG_TRACING=y' in my config, and I
> have traced it down to the slab header where the kmalloc_trace is
> defined. It appears that when CONFIG_TRACING is set, the kmalloc_trace
> and kmalloc_node_trace do not get defined by the compiler. I do not have
> enough context in this area of the code base to propose a fix or to even
> know if maybe it's a local compiling issue for myself. It looks like
> there are a few recent commits from August that did some refactoring in this header,
> and when compiling prior to that refactoring I am able to compile the
> specified drivers without error.
>
> I will mention that I am using Red Hat gcc version 12.2.1 and make version
> 4.3 and am on Fedora.

Please post a full failing kernel .config file for this.
Thanks.

--
~Randy