Re: [PATCH 4/4] hugetlb, rmap: add BUG_ON(!PageLocked) inhugetlb_add_anon_rmap()

[Andrea Arcangeli]

On Fri, Sep 10, 2010 at 01:23:06PM +0900, Naoya Horiguchi wrote:
> Confirming page lock is held in hugetlb_add_anon_rmap() may be useful
> to detect possible future problems.
> 
> Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
> ---
>  mm/rmap.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)

Acked-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>

It should probably be a VM_BUG_ON like do_page_add_anon_rmap, but
given the tiny hugetlbfs userbase it's ok.
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