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| author | Marcelo Tosatti <marcelo.tosatti@cyclades.com> | 2006-02-03 03:04:06 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-03 08:32:04 -0800 |
| commit | 47ba87e0b1269698801310bfd1716b0538282405 (patch) | |
| tree | be429e822401e9f1a213b008b5e6e2f538754888 /include/linux/dcache.h | |
| parent | 09114eb8c53d2d3b2ff9523e011cb68b2e245dce (diff) | |
| download | lwn-47ba87e0b1269698801310bfd1716b0538282405.tar.gz lwn-47ba87e0b1269698801310bfd1716b0538282405.zip | |
[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>
Diffstat (limited to 'include/linux/dcache.h')
| -rw-r--r-- | include/linux/dcache.h | 2 |
1 files changed, 2 insertions, 0 deletions
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 */ }; |