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Date: Fri, 30 Jan 2009 19:02:48 +0100 (CET)
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Andrea Righi <righi.andrea@...il.com>
cc: Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
Roman Zippel <zippel@...ux-m68k.org>,
David Howells <dhowells@...hat.com>,
Hirokazu Takata <takata@...ux-m32r.org>
Subject: Re: [PATCH -mmotm] mm: unify some pmd_*() functions fix for m68k
sun3
On Thu, 29 Jan 2009, Andrea Righi wrote:
> sun3_defconfig fails with:
>
> CC mm/memory.o
> mm/memory.c: In function 'free_pmd_range':
> mm/memory.c:176: error: implicit declaration of function '__pmd_free_tlb'
> mm/memory.c: In function '__pmd_alloc':
> mm/memory.c:2903: error: implicit declaration of function 'pmd_alloc_one_bug'
> mm/memory.c:2903: warning: initialization makes pointer from integer without a cast
> mm/memory.c:2917: error: implicit declaration of function 'pmd_free'
> make[3]: *** [mm/memory.o] Error 1
>
> Add the missing include.
>
> Reported-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> Signed-off-by: Andrea Righi <righi.andrea@...il.com>
> ---
> include/asm-m68k/sun3_pgalloc.h | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/include/asm-m68k/sun3_pgalloc.h b/include/asm-m68k/sun3_pgalloc.h
> index 0fe28fc..399d280 100644
> --- a/include/asm-m68k/sun3_pgalloc.h
> +++ b/include/asm-m68k/sun3_pgalloc.h
> @@ -11,6 +11,7 @@
> #define _SUN3_PGALLOC_H
>
> #include <asm/tlb.h>
> +#include <asm-generic/pgtable-nopmd.h>
Which makes it worse:
CC arch/m68k/kernel/traps.o
In file included from include/asm-generic/pgtable-nopmd.h:6,
from arch/m68k/include/asm/sun3_pgalloc.h:14,
from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
include/asm-generic/pgtable-nopud.h:17:1: warning: "PUD_SIZE" redefined
In file included from arch/m68k/include/asm/pgtable_mm.h:4,
from arch/m68k/include/asm/pgtable.h:4,
from include/linux/mm.h:40,
from arch/m68k/kernel/traps.c:24:
include/asm-generic/4level-fixup.h:7:1: warning: this is the location of the previous definition
In file included from include/asm-generic/pgtable-nopmd.h:6,
from arch/m68k/include/asm/sun3_pgalloc.h:14,
from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
include/asm-generic/pgtable-nopud.h:18:1: warning: "PUD_MASK" redefined
In file included from arch/m68k/include/asm/pgtable_mm.h:4,
from arch/m68k/include/asm/pgtable.h:4,
from include/linux/mm.h:40,
from arch/m68k/kernel/traps.c:24:
include/asm-generic/4level-fixup.h:8:1: warning: this is the location of the previous definition
In file included from include/asm-generic/pgtable-nopmd.h:6,
from arch/m68k/include/asm/sun3_pgalloc.h:14,
from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
include/asm-generic/pgtable-nopud.h:29:1: warning: "pud_ERROR" redefined
In file included from arch/m68k/include/asm/pgtable_mm.h:4,
from arch/m68k/include/asm/pgtable.h:4,
from include/linux/mm.h:40,
from arch/m68k/kernel/traps.c:24:
include/asm-generic/4level-fixup.h:22:1: warning: this is the location of the previous definition
In file included from include/asm-generic/pgtable-nopmd.h:6,
from arch/m68k/include/asm/sun3_pgalloc.h:14,
from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
include/asm-generic/pgtable-nopud.h:43:1: warning: "pud_val" redefined
In file included from arch/m68k/include/asm/pgtable_mm.h:4,
from arch/m68k/include/asm/pgtable.h:4,
from include/linux/mm.h:40,
from arch/m68k/kernel/traps.c:24:
include/asm-generic/4level-fixup.h:24:1: warning: this is the location of the previous definition
In file included from arch/m68k/include/asm/sun3_pgalloc.h:14,
from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
include/asm-generic/pgtable-nopmd.h:20:1: warning: "PMD_SHIFT" redefined
In file included from arch/m68k/include/asm/pgtable.h:4,
from include/linux/mm.h:40,
from arch/m68k/kernel/traps.c:24:
arch/m68k/include/asm/pgtable_mm.h:33:1: warning: this is the location of the previous definition
In file included from arch/m68k/include/asm/sun3_pgalloc.h:14,
from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
include/asm-generic/pgtable-nopmd.h:34:1: warning: "pmd_ERROR" redefined
In file included from arch/m68k/include/asm/pgtable_mm.h:132,
from arch/m68k/include/asm/pgtable.h:4,
from include/linux/mm.h:40,
from arch/m68k/kernel/traps.c:24:
arch/m68k/include/asm/sun3_pgtable.h:157:1: warning: this is the location of the previous definition
In file included from arch/m68k/include/asm/sun3_pgalloc.h:14,
from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
include/asm-generic/pgtable-nopmd.h:36:1: warning: "pud_populate" redefined
In file included from arch/m68k/include/asm/pgtable_mm.h:4,
from arch/m68k/include/asm/pgtable.h:4,
from include/linux/mm.h:40,
from arch/m68k/kernel/traps.c:24:
include/asm-generic/4level-fixup.h:25:1: warning: this is the location of the previous definition
In file included from arch/m68k/include/asm/sun3_pgalloc.h:14,
from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
include/asm-generic/pgtable-nopmd.h:49:1: warning: "pmd_val" redefined
In file included from arch/m68k/include/asm/page.h:4,
from arch/m68k/include/asm/thread_info_mm.h:5,
from arch/m68k/include/asm/thread_info.h:4,
from include/linux/thread_info.h:55,
from include/linux/preempt.h:9,
from include/linux/spinlock.h:50,
from include/linux/seqlock.h:29,
from include/linux/time.h:8,
from include/linux/timex.h:56,
from include/linux/sched.h:54,
from arch/m68k/kernel/traps.c:21:
arch/m68k/include/asm/page_mm.h:97:1: warning: this is the location of the previous definition
In file included from arch/m68k/include/asm/sun3_pgalloc.h:14,
from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
include/asm-generic/pgtable-nopmd.h:50:1: warning: "__pmd" redefined
In file included from arch/m68k/include/asm/page.h:4,
from arch/m68k/include/asm/thread_info_mm.h:5,
from arch/m68k/include/asm/thread_info.h:4,
from include/linux/thread_info.h:55,
from include/linux/preempt.h:9,
from include/linux/spinlock.h:50,
from include/linux/seqlock.h:29,
from include/linux/time.h:8,
from include/linux/timex.h:56,
from include/linux/sched.h:54,
from arch/m68k/kernel/traps.c:21:
arch/m68k/include/asm/page_mm.h:102:1: warning: this is the location of the previous definition
In file included from arch/m68k/include/asm/sun3_pgalloc.h:14,
from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
include/asm-generic/pgtable-nopmd.h:52:1: warning: "pud_page" redefined
In file included from arch/m68k/include/asm/pgtable_mm.h:4,
from arch/m68k/include/asm/pgtable.h:4,
from include/linux/mm.h:40,
from arch/m68k/kernel/traps.c:24:
include/asm-generic/4level-fixup.h:26:1: warning: this is the location of the previous definition
In file included from arch/m68k/include/asm/sun3_pgalloc.h:14,
from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
include/asm-generic/pgtable-nopmd.h:53:1: warning: "pud_page_vaddr" redefined
In file included from arch/m68k/include/asm/pgtable_mm.h:4,
from arch/m68k/include/asm/pgtable.h:4,
from include/linux/mm.h:40,
from arch/m68k/kernel/traps.c:24:
include/asm-generic/4level-fixup.h:27:1: warning: this is the location of the previous definition
In file included from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
arch/m68k/include/asm/sun3_pgalloc.h:22:1: warning: "pmd_alloc_one" redefined
In file included from arch/m68k/include/asm/sun3_pgalloc.h:14,
from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
include/asm-generic/pgtable-nopmd.h:65:1: warning: this is the location of the previous definition
In file included from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
arch/m68k/include/asm/sun3_pgalloc.h:93:1: warning: "pgd_populate" redefined
In file included from include/asm-generic/pgtable-nopmd.h:6,
from arch/m68k/include/asm/sun3_pgalloc.h:14,
from arch/m68k/include/asm/pgalloc_mm.h:12,
from arch/m68k/include/asm/pgalloc.h:4,
from arch/m68k/kernel/traps.c:38:
include/asm-generic/pgtable-nopud.h:31:1: warning: this is the location of the previous definition
In file included from include/asm-generic/pgtable-nopmd.h:7,
from arch/m68k/include/asm/sun3_pgalloc.h:15,
from arch/m68k/include/asm/pgalloc_mm.h:13,
from arch/m68k/include/asm/pgalloc.h:5,
from arch/m68k/kernel/traps.c:39:
include/asm-generic/pgtable-nopud.h:13: error: conflicting types for 'pgd_t'
arch/m68k/include/asm/page_mm.h:92: error: previous declaration of 'pgd_t' was here
include/asm-generic/pgtable-nopud.h:25: error: conflicting types for 'pgd_none'
arch/m68k/include/asm/sun3_pgtable.h:149: error: previous definition of 'pgd_none' was here
include/asm-generic/pgtable-nopud.h:26: error: conflicting types for 'pgd_bad'
arch/m68k/include/asm/sun3_pgtable.h:150: error: previous definition of 'pgd_bad' was here
include/asm-generic/pgtable-nopud.h:27: error: conflicting types for 'pgd_present'
arch/m68k/include/asm/sun3_pgtable.h:151: error: previous definition of 'pgd_present' was here
include/asm-generic/pgtable-nopud.h:28: error: conflicting types for 'pgd_clear'
arch/m68k/include/asm/sun3_pgtable.h:152: error: previous definition of 'pgd_clear' was here
include/asm-generic/pgtable-nopud.h:38: error: expected ')' before '*' token
In file included from arch/m68k/include/asm/sun3_pgalloc.h:15,
from arch/m68k/include/asm/pgalloc_mm.h:13,
from arch/m68k/include/asm/pgalloc.h:5,
from arch/m68k/kernel/traps.c:39:
include/asm-generic/pgtable-nopmd.h:18: error: conflicting types for 'pmd_t'
arch/m68k/include/asm/page_mm.h:91: error: previous declaration of 'pmd_t' was here
include/asm-generic/pgtable-nopmd.h:30: error: expected identifier or '(' before numeric constant
include/asm-generic/pgtable-nopmd.h:31: error: expected identifier or '(' before numeric constant
include/asm-generic/pgtable-nopmd.h:32: error: expected identifier or '(' before numeric constant
include/asm-generic/pgtable-nopmd.h:33: error: redefinition of 'pgd_clear'
include/asm-generic/pgtable-nopud.h:28: error: previous definition of 'pgd_clear' was here
include/asm-generic/pgtable-nopmd.h:45: error: conflicting types for 'pmd_offset'
arch/m68k/include/asm/sun3_pgtable.h:201: error: previous definition of 'pmd_offset' was here
make[3]: *** [arch/m68k/kernel/traps.o] Error 1
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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