From 47ba87e0b1269698801310bfd1716b0538282405 Mon Sep 17 00:00:00 2001
From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Date: Fri, 3 Feb 2006 03:04:06 -0800
Subject: [PATCH] make "struct d_cookie" depend on CONFIG_PROFILING

Shrinks "struct dentry" from 128 bytes to 124 on x86, allowing 31 objects
per slab instead of 30.

Cc: John Levon <levon@movementarian.org>
Cc: Philippe Elie <phil.el@wanadoo.fr>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 include/linux/dcache.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include/linux/dcache.h')

diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index a3ed5e059d47..a3f09947940e 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -108,7 +108,9 @@ struct dentry {
 	struct dentry_operations *d_op;
 	struct super_block *d_sb;	/* The root of the dentry tree */
 	void *d_fsdata;			/* fs-specific data */
+#ifdef CONFIG_PROFILING
 	struct dcookie_struct *d_cookie; /* cookie, if any */
+#endif
 	int d_mounted;
 	unsigned char d_iname[DNAME_INLINE_LEN_MIN];	/* small names */
 };
-- 
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