linux-kernel - [PATCH] m68k: fix kunmap usage in pte_alloc

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Date:	Thu, 27 Aug 2009 13:47:04 +0200
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Greg Ungerer <gerg@...inux.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] m68k: fix kunmap usage in pte_alloc_one

Subject: [PATCH] m68k: avoid pgprot_noncached redefinition

From: Heiko Carstens <heiko.carstens@...ibm.com>

Compiling m68k with defconfig gives a lot of these warnings:

In file included from /home2/heicarst/linux-2.6/arch/m68k/include/asm/pgalloc.h:13,
                 from arch/m68k/kernel/dma.c:15:
arch/m68k/include/asm/motorola_pgalloc.h: In function 'pte_alloc_one':
arch/m68k/include/asm/motorola_pgalloc.h:44: warning: passing argument 1 of 'kunmap' from incompatible pointer type

kunmap wants a page not a pte.

Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com>
---
 arch/m68k/include/asm/motorola_pgalloc.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/arch/m68k/include/asm/motorola_pgalloc.h
===================================================================
--- linux-2.6.orig/arch/m68k/include/asm/motorola_pgalloc.h
+++ linux-2.6/arch/m68k/include/asm/motorola_pgalloc.h
@@ -41,7 +41,7 @@ static inline pgtable_t pte_alloc_one(st
 		flush_tlb_kernel_page(pte);
 		nocache_page(pte);
 	}
-	kunmap(pte);
+	kunmap(page);
 	pgtable_page_ctor(page);
 	return page;
 }
--
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