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Subjectlinux-next: build failure after merge of the final tree (akpm tree related)
Hi Andrew,

After merging the final tree, today's linux-next build (powerpc
allnoconfig) failed like this:

In file included from include/linux/posix_types.h:47:0,
from include/linux/types.h:17,
from include/linux/page-flags.h:8,
from kernel/bounds.c:9:
arch/powerpc/include/asm/posix_types.h:15:14: error: conflicting types for '__kernel_size_t'
arch/powerpc/include/asm/posix_types.h:14:22: note: previous declaration of '__kernel_size_t' was here
In file included from include/linux/page-flags.h:8:0,
from kernel/bounds.c:9:
include/linux/types.h:68:1: error: unknown type name '__kernel_ssize_t'

Caused by commit a9dbe86e5995 ("powerpc: use generic posix_types.h").

This think was pointed out a couple of days ago, so maybe Andrew needs a
newer version of the patch.

I added this fix patch for today:

From: Stephen Rothwell <>
Date: Fri, 17 Feb 2012 16:25:48 +1100
Subject: [PATCH] powerpc: use generic posix_types.h fix

Signed-off-by: Stephen Rothwell <>
arch/powerpc/include/asm/posix_types.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/include/asm/posix_types.h b/arch/powerpc/include/asm/posix_types.h
index 1fbe027f..f139325 100644
--- a/arch/powerpc/include/asm/posix_types.h
+++ b/arch/powerpc/include/asm/posix_types.h
@@ -12,7 +12,7 @@ typedef unsigned long __kernel_old_dev_t;
#define __kernel_old_dev_t __kernel_old_dev_t
typedef unsigned int __kernel_size_t;
-typedef int __kernel_size_t;
+typedef int __kernel_ssize_t;
typedef long __kernel_ptrdiff_t;
#define __kernel_size_t __kernel_size_t

Stephen Rothwell
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