[PATCHv2] arm64: mm: Fix VM_BUG_ON(mm != &init_mm) for trans_pgd

[Will Deacon]

On Fri, 12 Nov 2021 13:22:14 +0800, Pingfan Liu wrote:
> trans_pgd_create_copy() can hit "VM_BUG_ON(mm != &init_mm)" in the
> function pmd_populate_kernel().
> 
> This is the combined consequence of commit 5de59884ac0e ("arm64:
> trans_pgd: pass NULL instead of init_mm to *_populate functions"), which
> replaced &init_mm with NULL and commit 59511cfd08f3 ("arm64: mm: use XN
> table mapping attributes for user/kernel mappings"), which introduced
> the VM_BUG_ON.
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/1] arm64: mm: Fix VM_BUG_ON(mm != &init_mm) for trans_pgd
      https://git.kernel.org/arm64/c/d3eb70ead647

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev