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SubjectRe: [PATCH 4/4] hugetlb, rmap: add BUG_ON(!PageLocked) in hugetlb_add_anon_rmap()
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@ah.jp.nec.com>
> ---
> mm/rmap.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)

Acked-by: Andrea Arcangeli <aarcange@redhat.com>

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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