On Mon, Nov 14, 2022 at 05:59:06PM +0900, Hyeonggon Yoo wrote: > On Sat, Nov 12, 2022 at 08:21:14PM -0500, Ian Cowan wrote: > > On Sat, Nov 12, 2022 at 05:11:27PM -0800, Randy Dunlap wrote: > > > > > > > > > On 11/12/22 16:43, Ian Cowan wrote: > > > > On Sat, Nov 12, 2022 at 04:34:18PM -0800, Randy Dunlap wrote: > > > >> > > > >> > > > >> On 11/12/22 13:59, Ian Cowan wrote: > > > >>> On Sat, Nov 12, 2022 at 09:21:34AM -0800, Randy Dunlap wrote: > > > >>>> 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: > > > >>>>> > > > >> > > > >> Ian, what do you mean by "on the staging/staging-next branch"? > > > >> > > > >> What kernel version are you trying to build? > > > >> > > > >> The .config that you sent is for v6.1.0-rc1. > > > > > > > > I am building from the staging repository (gregkh/staging) and my > > > > working branch when building is staging-next. So I am trying to build > > > > from staging and not a particular version. I have also run `make modules_prepare` > > > > and updated the .config per that script. However, when I do build > > > > v6.1.0-rc1 from the main repository (torvalds/linux), I run into the same problem. > > > > > > Have you built the entire kernel already and then you are trying to build > > > only drivers/pci/hotplug? > > Yes, I did build the entire kernel already and then I'm just trying to > > rebuild that module. > > > > In `include/linux/slab.h` if I remove the lines between `#ifdef > > CONFIG_TRACING` and `#else` (lines 473-480) and then the corresponding > > `#endif` and leave lines 481-499, I'm able to compile that module > > without issue. > > I don't get what the problem is. > In case kmalloc[_node]_trace() is undefined, it's replaced with kmem_cache_alloc[_node]. > > Is the kernel built with same config on tree? Yes, the same config on tree with no errors or warnings. I was able to trace it back to this commit - building on the commit immediately prior builds without error or warning. It looks like this commit does some refactoring of the kmem_cache_alloc[_node] and kmalloc[_node]_trace. https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git/commit/?h=staging-next&id=26a40990ba052
