Re: [PATCH] um: Call pgtable_pmd_page_dtor() in __pmd_free_tlb()

From: Christopher Obbard
Date: Fri Oct 23 2020 - 10:48:28 EST


On Mon, Oct 19, 2020 at 11:10:49PM +0200, Richard Weinberger wrote:
> Commit b2b29d6d0119 ("mm: account PMD tables like PTE tables") uncovered
> a bug in uml, we forgot to call the destructor.
> While we are here, give x a sane name.
>
> Reported-by: Anton Ivanov <anton.ivanov@xxxxxxxxxxxxxxxxxx>
> Co-developed-by: Matthew Wilcox <willy@xxxxxxxxxxxxx>
> Signed-off-by: Richard Weinberger <richard@xxxxxx>

Tested-by: Christopher Obbard <chris.obbard@xxxxxxxxxxxxx>