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    SubjectRe: [PATCH 0/24] make atomic_read() behave consistently across all architectures
    Nick Piggin writes:

    > So i386 and x86-64 don't have volatiles there, and it saves them a
    > few K of kernel text. What you need to justify is why it is a good

    I'm really surprised it's as much as a few K. I tried it on powerpc
    and it only saved 40 bytes (10 instructions) for a G5 config.

    Paul.
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