Re: [linux-next:master] [mm/hugetlb] 0e1ad0324a: WARNING:at_mm/mmu_gather.c:#tlb_finish_mmu
"David Hildenbrand (Red Hat)" <[email protected]>
| Newsgroups | dev.linux.lists.oe-lkp,org.kernel.vger.linux-arch,org.kvack.linux-mm |
|---|---|
| Message-ID | <[email protected]> |
On 12/10/25 16:02, Lorenzo Stoakes wrote:
> On Wed, Dec 10, 2025 at 10:55:40PM +0800, kernel test robot wrote:
>>
>>
>> Hello,
>>
>> kernel test robot noticed "WARNING:at_mm/mmu_gather.c:#tlb_finish_mmu" on:
>>
>> commit: 0e1ad0324aabb5aef3ef409de9a395cda7ee6098 ("mm/hugetlb: fix excessive IPI broadcasts when unsharing PMD tables using mmu_gather")
>> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> This is the:
>
> VM_WARN_ON_ONCE(tlb->fully_unshared_tables);
>
> test case, so is likely the issue that Nadav raised where this isn't being
> initialised properly so is just spuriously firing off.
>
Yes, I assume so. Surprised that this series is in -next already, so I
didn't send a fixup out yet.
Let me try doing that later today.
--
Cheers
David