Re: PATCH][1/8] 2.6.15 mlock: make_pages_wired/unwired

[Nick Piggin]

Stone Wang wrote:
> We dont account HugeTLB pages for:
>
> 1. HugeTLB pages themselves are not reclaimable.
>
> 2. If we count HugeTLB pages in "Wired",then we would have no mind
>    how many of the "Wired" are HugeTLB pages, and how many are
> normal-size pages.
>    Thus, hard to get a clear map of physical memory use,for example:
>      how many pages are reclaimable?
>    If we must count HugeTLB pages,more fields should be added to
> "/proc/meminfo",
>    for exmaple: "Wired HugeTLB:", "Wired Normal:".

Then why do you wire them at all? Your unwire function does not appear
to be able to unwire them.

--
SUSE Labs, Novell Inc.
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