linux-kernel - Re: mm snapshot broken-out-2007-11-13-04-14 Build Fails at memory.c

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Date:	Tue, 13 Nov 2007 16:29:41 +0100
From:	Martin Schwidefsky <schwidefsky@...ibm.com>
To:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
Cc:	akpm@...ux-foundation.org, mm-commits@...r.kernel.org,
	linux-kernel@...r.kernel.org, benh@...nel.crashing.org,
	linux-arch@...r.kernel.org, Andy Whitcroft <apw@...dowen.org>
Subject: Re: mm snapshot broken-out-2007-11-13-04-14 Build Fails at memory.c

On Tue, 2007-11-13 at 20:13 +0530, Kamalesh Babulal wrote:
> Hi Andrew,
> 
> The kernel build fails, with following build error
> 
> mm/memory.c: In function ‘free_pte_range’:
> mm/memory.c:126: error: implicit declaration of function ‘pmd_pgtable’
> mm/memory.c:126: warning: initialization makes pointer from integer without a cast
> mm/memory.c: In function ‘apply_to_pte_range’:
> mm/memory.c:1389: warning: assignment makes pointer from integer without a cast
> make[1]: *** [mm/memory.o] Error 1
> make: *** [mm] Error 2
> 
> The patch causing this issue is config_highpte-vs-sub-page-page-tables.patch.
> Where the marco is defined #ifndef CONFIG_PPC_64K_PAGES.

Forget the request for the .config. Found the problem, fixup patch
below.

-- 
blue skies,
  Martin.

"Reality continues to ruin my life." - Calvin.
---
diff -urpN linux-2.6/include/asm-powerpc/pgalloc-64.h linux-2.6-patched/include/asm-powerpc/pgalloc-64.h
--- linux-2.6/include/asm-powerpc/pgalloc-64.h	2007-11-12 17:31:58.000000000 +0100
+++ linux-2.6-patched/include/asm-powerpc/pgalloc-64.h	2007-11-13 16:23:50.000000000 +0100
@@ -68,6 +68,7 @@ static inline void pmd_populate_kernel(s
 
 #define pmd_populate(mm, pmd, pte_page) \
 	pmd_populate_kernel(mm, pmd, page_address(pte_page))
+#define pmd_pgtable(pmd) pmd_page(pmd)
 
 #endif /* CONFIG_PPC_64K_PAGES */
 


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