linux-kernel - [PATCH 3/3]fs/inode: iunique() Optimize Performance

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Date:	Wed, 25 Nov 2009 22:15:42 +0800
From:	"Liuweni" <qingshenlwy@...il.com>
To:	"linux-kernel" <linux-kernel@...r.kernel.org>
Cc:	"linux-kernel" <linux-kernel@...r.kernel.org>,
	"strongzgy" <strongzgy@...il.com>, "xgr178" <xgr178@....com>,
	"Liu Hui" <onlyflyer@...il.com>
Subject: [PATCH 3/3]fs/inode: iunique() Optimize Performance

---
Add the macro L1_CACHE_SHIFT into the arch/h8300/include/asm/cache.h
In this architecture, missing L1_CACHE_SHIFT, The iunique() optimize 
performance will not work correctly .
---
Signed-off-by: Liuwenyi<qingshenlwy@...il.com>
Cc: linux-kernel@...r.kernel.org
---
diff --git a/arch/h8300/include/asm/cache.h b/arch/h8300/include/asm/cache.h
index c635028..0a73cd5 100644
--- a/arch/h8300/include/asm/cache.h
+++ b/arch/h8300/include/asm/cache.h
@@ -3,6 +3,7 @@
 
 /* bytes per L1 cache line */
 #define        L1_CACHE_BYTES  4
+#define        L1_CACHE_SHIFT  2
 
 /* m68k-elf-gcc  2.95.2 doesn't like these */
 

 				
--------------

Best Regards,
Liuweni
2009-11-25

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