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    SubjectRe: [PATCH, RFC] panic-note: Annotation from user space for panics
    Matt Mackall <> writes:

    > As much as I like kexec, it loses on memory footprint by about 100x.
    > It's not appropriate for all use cases, especially things like
    > consumer-grade wireless access points and phones.

    In general I agree. The cost of a second kernel and initrd can be
    prohibitive in the smallest systems, and if you do a crash capture
    with using a standalone app that is reinventing the wheel.

    That said. I can happily run kdump with only 16M-20M reserved.
    So on many systems the cost is affordable.


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