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SubjectRe: [PATCH] mm: remove pte_lock_deinit()
On Wed, Nov 28, 2018 at 04:55:25PM -0700, Yu Zhao wrote:
> Pagetable page doesn't touch page->mapping or have any used field
> that overlaps with it. No need to clear mapping in dtor. In fact,
> doing so might mask problems that otherwise would be detected by
> bad_page().
>
> Signed-off-by: Yu Zhao <yuzhao@google.com>

Reviewed-by: Matthew Wilcox <willy@infradead.org>

I do have plans to use page->mapping for pt_mm, but this patch won't
get in my way when I find the round tuits to do that work.

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