On Mon, Aug 12, 2024 at 09:30:16AM +1000, Stephen Rothwell wrote:
> Hi all,
>
> After merging the mm tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
>
> mm/memory.c: In function 'numa_migrate_check':
> mm/memory.c:5403:41: error: 'NUMA_HINT_FAULTS' undeclared (first use in this function)
> 5403 | count_memcg_folio_events(folio, NUMA_HINT_FAULTS, 1);
> | ^~~~~~~~~~~~~~~~
> mm/memory.c:5403:41: note: each undeclared identifier is reported only once for each function it appears in
>
> Caused by commit
>
> 75747a26eec1 ("mm,memcg: provide per-cgroup counters for NUMA balancing operations")
>
> from the mm-unstable branch of the mm tree.
>
> CONFIG_NUMA_BALANCING is not set for this build. I note that the
> preexisting calls to count_vm_numa_event() compile because it is
> implemented as a macro ...
>
> Not the best fix, but I applied the patch below.
Sorry about it. I should have tested with more configs. I'll send a v2
with a fix for this compilation error and the other compilation warning
about the documentation (and remember to run make htmldocs in the future).
Bear with me, from a newbie trying to learn...
Best,
Kaiyang Zhao
