linux-kernel - Re: [PATCH v2 0/8] sparc: use asm-generic/dma-mapping-common.h and pci-dma-compat.h

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Date:	Mon, 03 Aug 2009 21:22:32 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mingo@...e.hu
Cc:	joerg.roedel@....com, fujita.tomonori@....ntt.co.jp,
	reif@...thlink.net, sparclinux@...r.kernel.org,
	linux-kernel@...r.kernel.org, x86@...nel.org, tony.luck@...el.com,
	akpm@...ux-foundation.org
Subject: Re: [PATCH v2 0/8] sparc: use asm-generic/dma-mapping-common.h and
 pci-dma-compat.h

From: Ingo Molnar <mingo@...e.hu>
Date: Mon, 3 Aug 2009 07:56:08 +0200

> I'm wondering how sparc32 handles core_kernel_text() & friends? 
> 
> Those functions already assume that the bits between _stext and 
> _etext are all core kernel text and not generic pages freed back to 
> the buddy.

They won't work for such pages obviously.  Shows how many sparc32
users who trigger this case of actually freeing those pages and
using such facilities there actually are :-)
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