Re: [PATCH -mm] tracing: Fix section mismatch in trace_hw_branches.c

[KOSAKI Motohiro]

> When I saw this patch, I searched the real purpose of __cpuinit and its
> real impact.
> But I didn't find any comments about it inside the kernel.

AFAIK, __cpuinit mean

if UP,                     __cpuinit == __init
if SMP=Y && HOTPLUG_CPU=y, __cpuinit == "" (do nothing)
if SMP=Y && HOTPLUG_CPU=n, __cpuinit == __init



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