Subject: + sh-add-export_symbolmin_low_pfn-and-export_symbolmax_low_pfn-to-sh_ksyms_32c.patch added to -mm tree
To: nobuhiro.iwamatsu.yj@xxxxxxxxxxx,geert@xxxxxxxxxxxxxx,kuninori.morimoto.gx@xxxxxxxxx,lethal@xxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 16 Dec 2013 11:55:52 -0800
The patch titled
Subject: sh: add EXPORT_SYMBOL(min_low_pfn) and EXPORT_SYMBOL(max_low_pfn) to sh_ksyms_32.c
has been added to the -mm tree. Its filename is
sh-add-export_symbolmin_low_pfn-and-export_symbolmax_low_pfn-to-sh_ksyms_32c.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/sh-add-export_symbolmin_low_pfn-and-export_symbolmax_low_pfn-to-sh_ksyms_32c.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/sh-add-export_symbolmin_low_pfn-and-export_symbolmax_low_pfn-to-sh_ksyms_32c.patch
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------------------------------------------------------
From: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@xxxxxxxxxxx>
Subject: sh: add EXPORT_SYMBOL(min_low_pfn) and EXPORT_SYMBOL(max_low_pfn) to sh_ksyms_32.c
Min_low_pfn and max_low_pfn were used in pfn_valid macro if defined
CONFIG_FLATMEM. When the functions that use the pfn_valid is used in driver
module, max_low_pfn and min_low_pfn is to undefined, and fail to build.
ERROR: "min_low_pfn" [drivers/block/aoe/aoe.ko] undefined!
ERROR: "max_low_pfn" [drivers/block/aoe/aoe.ko] undefined!
make[2]: *** [__modpost] Error 1
make[1]: *** [modules] Error 2
This patch fix this problem.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@xxxxxxxxxxx>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxx>
Cc: Paul Mundt <lethal@xxxxxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/sh/kernel/sh_ksyms_32.c | 5 +++++
1 file changed, 5 insertions(+)
diff -puN arch/sh/kernel/sh_ksyms_32.c~sh-add-export_symbolmin_low_pfn-and-export_symbolmax_low_pfn-to-sh_ksyms_32c arch/sh/kernel/sh_ksyms_32.c
--- a/arch/sh/kernel/sh_ksyms_32.c~sh-add-export_symbolmin_low_pfn-and-export_symbolmax_low_pfn-to-sh_ksyms_32c
+++ a/arch/sh/kernel/sh_ksyms_32.c
@@ -20,6 +20,11 @@ EXPORT_SYMBOL(csum_partial_copy_generic)
EXPORT_SYMBOL(copy_page);
EXPORT_SYMBOL(__clear_user);
EXPORT_SYMBOL(empty_zero_page);
+#ifdef CONFIG_FLATMEM
+/* need in pfn_valid macro */
+EXPORT_SYMBOL(min_low_pfn);
+EXPORT_SYMBOL(max_low_pfn);
+#endif
#define DECLARE_EXPORT(name) \
extern void name(void);EXPORT_SYMBOL(name)
_
Patches currently in -mm which might be from nobuhiro.iwamatsu.yj@xxxxxxxxxxx are
sh-always-link-in-helper-functions-extracted-from-libgcc.patch
sh-add-export_symbolmin_low_pfn-and-export_symbolmax_low_pfn-to-sh_ksyms_32c.patch
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