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    SubjectRe: [PATCH] [7/7] CPA: Add statistics about state of direct mapping v2
    On Fri, Mar 21, 2008 at 06:41:59PM +0100, Thomas Gleixner wrote:
    > On Wed, 12 Mar 2008, Andi Kleen wrote:
    > > Add information about the mapping state of the direct mapping to
    > > /proc/meminfo.
    > Please use debugfs for this.

    But it's not debugging. Or are you saying all memory state information
    in /proc/meminfo is debugging information? I would say it is generic
    memory state tracking, similar to VmallocUsed or Slab: or NFS_Unstable:
    e.g. I would expect a machine to go slower if all direct mapping pages
    are split due to increase TLB misses and that information is generally
    useful and should not be forced into some debugging ghetto.


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