[PATCH v2 04/76] asm-generic headers: uaccess.h to conditionally define segment_eq()

From: Vineet Gupta
Date: Fri Jan 18 2013 - 07:26:11 EST


This is because mm_segment_t is exported by arch code, while seqment_eq
assumes it will have .seg element.

Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
---
include/asm-generic/uaccess.h | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h
index 9788568..5f6ee61 100644
--- a/include/asm-generic/uaccess.h
+++ b/include/asm-generic/uaccess.h
@@ -7,7 +7,6 @@
* address space, e.g. all NOMMU machines.
*/
#include <linux/sched.h>
-#include <linux/mm.h>
#include <linux/string.h>

#include <asm/segment.h>
@@ -32,7 +31,9 @@ static inline void set_fs(mm_segment_t fs)
}
#endif

+#ifndef segment_eq
#define segment_eq(a, b) ((a).seg == (b).seg)
+#endif

#define VERIFY_READ 0
#define VERIFY_WRITE 1
--
1.7.4.1

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