linux-kernel - Re: [RFC] remove implicit slab.h inclusion from percpu.h

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Date:	Tue, 16 Mar 2010 09:14:12 +0200
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Tejun Heo <tj@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Christoph Lameter <cl@...ux-foundation.org>
Subject: Re: [RFC] remove implicit slab.h inclusion from percpu.h

On Tue, Mar 16, 2010 at 8:17 AM, Ingo Molnar <mingo@...e.hu> wrote:
> Also, why should we make this opt-in and expose a wide range of configs to
> build breakages?

Because we want to #include less, not the same amount.

> A more gradual approach would be to write a simple script
> that adds a slab.h include to all .c's that include percpu.h, directly or
> indirectly.

As a defensive measure, one can explicitly add slab.h to every file
which uses kmalloc/kfree.

But, who cares, since one still has to compile test regardless.
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