Re: linux-next: build failure after merge of the mm-hotfixes tree

[Mark Brown]

On Tue, Apr 21, 2026 at 03:06:32PM +0200, David Hildenbrand (Arm) wrote:
> On 4/21/26 14:59, Mark Brown wrote:

> > After merging the mm-hotfixes tree, today's linux-next build (arm64
> > allnoconfig) failed like this:

> > ld: Unexpected GOT/PLT entries detected!
> > ld: Unexpected run-time procedure linkages detected!
> > ld: arch/arm64/mm/fault.o: in function `tag_clear_highpages':
> > fault.c:(.text+0xc40): undefined reference to `mte_clear_page_tags'

> > Caused by commit

> >   99e63a49650cc (mm/page_alloc: fix initialization of tags of the huge zero folio with init_on_free)

> The patch will get resent (and should not have immediately been queued
> in the mm-hotfixes branch).

> Feel free to drop the patch on your tree.

To be clear linux-next merges the trees that maintainers are publishing,
the standard fix for straight failures like this is to merge the last
version that worked.  Sometimes reverts do get applied but more usually
for things that only come up in the final builds.

> > I have used the version from next-20260420 instead.  The commit removed

The commit is also present in the mm-unstable tree, I have also used
the version of that from 20260420.

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