linux-kernel - Re: [PATCHSET x86/core/percpu] improve the first percpu chunk allocation

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Date:	Wed, 25 Feb 2009 17:10:26 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Tejun Heo <tj@...nel.org>, Yinghai Lu <yinghai@...nel.org>,
	tglx@...utronix.de, x86@...nel.org, linux-kernel@...r.kernel.org,
	hpa@...or.com, jeremy@...p.org, cpw@....com,
	nickpiggin@...oo.com.au, ink@...assic.park.msu.ru
Subject: Re: [PATCHSET x86/core/percpu] improve the first percpu chunk allocation

On Wednesday 25 February 2009 07:46:59 Ingo Molnar wrote:
>  kernel/trace/trace_functions_graph.c: In function ‘graph_trace_close’:
>  kernel/trace/trace_functions_graph.c:836: error: implicit declaration of function ‘percpu_free’
> 
> that's free_percpu() now, right?
> 
> Btw., why was this rename done? We generally standardize on 
> hierarchical names, going from the more general to the more 
> specific names, left to right.

Agreed, but we had both, doing identical things, and free_percpu outnumbered
percpu_free by a significant factor (about 40 to 5 IIRC).

Simple pragmatism, and it matches alloc_percpu.
Rusty.
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