linux-kernel - Re: [PATCH 1/6] printk: Allocate kernel log buffer earlier

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Date:	Thu, 20 Jan 2011 16:07:16 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Mike Travis <travis@....com>
Cc:	Ingo Molnar <mingo@...e.hu>, Len Brown <len.brown@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jack Steiner <steiner@....com>, Robin Holt <holt@....com>,
	Lori Gilbertson <loriann@....com>, x86@...nel.org,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [PATCH 1/6] printk: Allocate kernel log buffer earlier

On Thu, 20 Jan 2011 15:55:30 -0800
Mike Travis <travis@....com> wrote:

> If I have:
> 
> void __init setup(void)
> {
> 	static int data;
> ...
> 
> Does data automatically get put into the initdata section?  Or does
> it need the __initdata tag as well?

It needs __initdata.  gcc doesn't know that __init and __initdata are
related things - as far as the compiler is concerned, they're all just
sections.

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