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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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