Re: [PATCH][5/8] proc: export mlocked pages info through "/proc/meminfo: Wired"

Nick Piggin
2006-03-22T00:22:14Z

Stone Wang wrote:
> The list potentially could have more wider use.
>
> For example, kernel-space locked/pinned pages could be placed on the list too
> (while mlocked pages are locked/pinned by system calls from user-space).
>

kernel-space pages are always pinned. And no, you can't put them on the list
because you never know if their ->lru field is going to be used for something
else.

Why would you want to ever do something like that though? I don't think you
should use this name "just in case", unless you have some really good
potential usage in mind.

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SUSE Labs, Novell Inc.
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