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    SubjectRe: [RFC PATCH] proc: do not include shmem and driver pages in /proc/meminfo::Cached
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    On Thu, 2016-02-18 at 15:36 -0500, Johannes Weiner wrote:

    > The semantics of Cached including shmem and kernel pages have been
    > this way forever, dictated by the single-LRU implementation rather
    >
    They may have been that way forever,
    but they have also been confusing to
    users forever, so ...

    > than optimal semantics. So it's an uncomfortable proposal to change
    > it
    > now. But what other way to fix this for existing users? What other
    > way
    > to make the interface more intuitive for future users? And what could
    > break by removing it now? I guess somebody who already subtracts
    > Shmem
    > from Cached.
    >
    > What are your thoughts on this?

    Reviewed-by: Rik van Riel <riel@redhat.com>

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