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    SubjectRe: [RFC 1/7] Remove declaration of sighand_cachep from slab.h
    On Mon, 20 Nov 2006 08:20:13 -0800 (PST)
    Christoph Lameter <clameter@sgi.com> wrote:

    > On Sat, 18 Nov 2006, Stephen Rothwell wrote:
    >
    > > Is there no suitable header file to put this in?
    >
    > There is only a single file that uses sighand_cachep apart from where it
    > was defined. If we would add it to signal.h then we would also have to
    > add an include for slab.h just for this statement.

    That's one of the reasons why typedefs are bad.

    Use `struct kmem_cache' instead of `kmem_cache_t' and lo, you can
    forward-declare it in the header file without having to include slab.h.

    Patches which rid us of kmem_cache_t are always welcome..
    -
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