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

[Nick Piggin <nickpiggin@yahoo.com.au>]

Rik van Riel wrote:
> On Sat, 25 Mar 2006, Nick Piggin wrote:
>
> > Rik van Riel wrote:
> >
> > > On Wed, 22 Mar 2006, Nick Piggin wrote:
> > >
> > >
> > > > 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.
> > >
> > > ramfs
> >
> > Why would ramfs want its pages in this wired list? (I'm not so
> > familiar with it but I can't think of a reason).
>
>
> Because ramfs pages cannot be paged out, which makes them locked
> into memory the same way mlocked pages are.

I don't understand why they need to be on any list though,
that isn't an internal ramfs specific structure (ie. not
the just-in-case wired list).

--
SUSE Labs, Novell Inc.
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