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    SubjectRe: [PATCH -mm 11/24] pageflag helpers for configed-out flags
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    On Wed, 2008-06-11 at 16:08 -0400, Rik van Riel wrote:
    > On Wed, 11 Jun 2008 13:01:45 -0700
    > Andrew Morton <akpm@linux-foundation.org> wrote:
    > > On Wed, 11 Jun 2008 14:42:25 -0400
    > > Rik van Riel <riel@redhat.com> wrote:
    > >
    > > > Define proper false/noop inline functions for noreclaim page
    > > > flags when !defined(CONFIG_NORECLAIM_LRU)
    > >
    > > I changed that to CONFIG_UNEVICTABLE_LRU.
    > >
    > > Did we agree that the presence of this config variable is undesirable?
    > > If so, what's involved in making it go away?
    >
    > We agreed that having CONFIG_NORELAIM_SWAP was bad, that one went away.

    That was CONFIG_NORELAIM_MLOCK, right?

    Which reminds me: we'll need to change the description of
    CONFIG_UNEVICTABLE_LRU to state that it uses 2 page flags if, indeed, we
    want to say anything about page flag usage in the Kconfig help text.
    Not sure that's helpful.

    >
    > As for CONFIG_UNEVICTABLE_LRU, I believe we will want to at least give
    > embedded people the option to compile without all that code, similar
    > to CONFIG_SWAP.

    Agree.

    Lee



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