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    SubjectRE: [GIT PULL] mm: frontswap (for 3.2 window)
    > From: Christoph Hellwig []
    > Sent: Thursday, October 27, 2011 3:12 PM
    > To: David Rientjes
    > Cc: Dan Magenheimer; Linus Torvalds;; LKML; Andrew Morton; Konrad Wilk; Jeremy
    > Fitzhardinge; Seth Jennings;;; Chris Mason;
    >; Dave Hansen; Jonathan Corbet; Neo Jia
    > Subject: Re: [GIT PULL] mm: frontswap (for 3.2 window)
    > On Thu, Oct 27, 2011 at 01:18:40PM -0700, David Rientjes wrote:
    > > Isn't this something that should go through the -mm tree?
    > It should have. It should also have ACKs from the core VM developers,
    > and at least the few I talked to about it really didn't seem to like it.

    Yes, it would have been nice to have it go through the -mm tree.
    But, *sigh*, I guess it will be up to Linus again to decide if
    "didn't seem to like it" is sufficient to block functionality
    that has found use by a number of in-kernel users and by
    real shipping products... and continues to grow in usefulness.

    If Linux truly subscribes to the "code rules" mantra, no core
    VM developer has proposed anything -- even a design, let alone
    working code -- that comes close to providing the functionality
    and flexibility that frontswap (and cleancache) provides, and
    frontswap provides it with a very VERY small impact on existing
    kernel code AND has been posted and working for 2+ years.
    (And during that 2+ years, excellent feedback has improved the
    "kernel-ness" of the code, but NONE of the core frontswap
    design/hooks have changed... because frontswap _just works_!)

    Perhaps other frontswap users would be so kind as to reply
    on this thread with their opinions...


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