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SubjectRe: [PATCH 3/4] tracing: Annotate event field-defining functions with __init
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On Thu, 2013-02-21 at 10:33 +0800, Li Zefan wrote:
> Those functions are called either during kernel boot or module init.
>
> Before:
>
> $ dmesg | grep 'Freeing unused kernel memory'
> Freeing unused kernel memory: 1208k freed
> Freeing unused kernel memory: 1360k freed
> Freeing unused kernel memory: 1960k freed
>
> After:
>
> $ dmesg | grep 'Freeing unused kernel memory'
> Freeing unused kernel memory: 1236k freed
> Freeing unused kernel memory: 1388k freed
> Freeing unused kernel memory: 1960k freed

Also nice :-)

Here's my numbers (again with lots of debug enabled):

old:
[ 0.027087] Freeing SMP alternatives: 12k freed
[ 6.835298] Freeing initrd memory: 8004k freed
[ 18.820837] Freeing unused kernel memory: 1092k freed
[ 18.838487] Freeing unused kernel memory: 1456k freed
[ 18.850665] Freeing unused kernel memory: 1544k freed

new:
[ 0.025087] Freeing SMP alternatives: 12k freed
[ 6.775349] Freeing initrd memory: 8004k freed
[ 18.753519] Freeing unused kernel memory: 1144k freed
[ 18.771447] Freeing unused kernel memory: 1508k freed
[ 18.783637] Freeing unused kernel memory: 1544k freed

Lets hope these pass all my tests.

-- Steve





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