In message: <[EMAIL PROTECTED]>
Robert Watson <[EMAIL PROTECTED]> writes:
:
: On Mon, 8 Sep 2008, Warner Losh wrote:
:
: > Commit the no-brainer parts of my space saving kernel experiments. We
: > don't inline the locking primitives, and only grab those parts of mii
: > that we really need. Other space optimizations are too agressive for
: > the generic file (removing all of usb, and loading it as kernel
: > modules).
:
: It's been a few years since we selected defaults on lock inlining (and other
: optional parameters), and it might well be time to re-evaluate our defaults.
: Cache footprint on code continues to play a significant role in performance,
: the trade-offs for function invocation have changed quite a bit over the
: years. A more thorough performance analysis of lock inlining is probably
: overdue for all platforms, not just small embedded ones.
Agreed. I don't know if it is faster on the embedded platforms, but
it makes such a huge space difference as to be well worth it...
Warner
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