Subject: Re: powerpc/mm/32: Fix pgtable_page_dtor call

From: Michael Ellerman <[email-masked]>
Date: Thu, 28 Jun 2018 07:41:25 +1000 (AEST)

On Mon, 2018-06-25 at 08:15:09 UTC, "Aneesh Kumar K.V" wrote:
> Commit 667416f38554 ("powerpc/mm: Fix kernel crash on page table free")
> added a call for pgtable_page_dtor in the rcu page table free routine. We missed
> the fact that for 32 bit platforms we did call the 'dtor' early. Drop the extra
> call for pgtable_page_dtor. We remove the call from __pte_free_tlb so that we
> do the page table free and 'dtor' call together. This should help when we
> switch these platforms to pte fragments.
> 
> Fixes: 667416f38554 ("powerpc/mm: Fix kernel crash on page table free")
> Reported-by: Christophe Leroy <[email-masked]>
> Signed-off-by: Aneesh Kumar K.V <[email-masked]>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/941c06d58503b9f2718b20bc45ee7f

cheers