On 1/19/07, Robert P. J. Day <[email protected]> wrote:
is there a simple explanation for how to *properly* define inline
routines in the kernel? and maybe this can be added to the
CodingStyle guide (he mused, wistfully).
AFAIK __always_inline is the only reliable way to force inlining where
it matters for correctness (for example, when playing tricks with
__builtin_return_address like we do in the slab).
Anything else is just a hint to the compiler that might be ignored if
the optimizer thinks it knows better.
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