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    SubjectRe: [PATCH] Allow linker to eliminate unused functions in lib/*
    On Sat, Jan 09, 2010 at 05:51:56PM +0100, Andi Kleen wrote:
    > > Sneaky.
    > >
    > > It's a bit sad to reduce the code cleanliness and maintainability in
    > > this way, but 1k is 1k.
    > Yes. I had actually hoped for more too. I think it might bring
    > more with -ffunction-sections/--gc-sections, but I haven't tried that.
    > An alternative might be also to give some more of those explicit Kconfig
    > symbols -- then kernels with module loading enabled would benefit more
    > too -- but I haven't investigated how many changes that would need.
    > But even with that it's a reasonable improvement and putting the exports
    > separately is not too bad.
    > > The patch assumes a pre-existing lib-syms.c. Confused.
    > Sorry, some day I'll learn how to operate quilt properly.
    > Updated patch with all files included appended.

    Andi, how do you want to handle the overlap between this and the
    list_sort() patch I sent? I'm going to need a list_sort() available
    in the XFS tree well before the 2.6.34 merge window....


    Dave Chinner

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