On Wed, 30 Mar 2022 12:25:43 +0100, Steve Capper wrote:
> tlb_remove_huge_tlb_entry only considers PMD_SIZE and PUD_SIZE when
> updating the mmu_gather structure.
>
> Unfortunately on arm64 there are two additional huge page sizes that
> need to be covered: CONT_PTE_SIZE and CONT_PMD_SIZE. Where an end-user
> attempts to employ contiguous huge pages, a VM_BUG_ON can be experienced
> due to the fact that the tlb structure hasn't been correctly updated by
> the relevant tlb_flush_p.._range() call from tlb_remove_huge_tlb_entry.
>
> [...]
Applied to arm64 (for-next/fixes), thanks!
[1/1] tlb: hugetlb: Add more sizes to tlb_remove_huge_tlb_entry
https://git.kernel.org/arm64/c/697a1d44af8b
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
