diff options
| author | Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 00:55:28 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:44 -0800 |
| commit | 540473208f8ac71c25a87e1a2670c3c18dd4d6db (patch) | |
| tree | 716c6b412ebf3e232bd85da785315f888283d991 /include/linux/random.h | |
| parent | f59e5e82096f81a2cb7d7833001956d81e9fa6fb (diff) | |
| download | lwn-540473208f8ac71c25a87e1a2670c3c18dd4d6db.tar.gz lwn-540473208f8ac71c25a87e1a2670c3c18dd4d6db.zip | |
[PATCH] mark struct file_operations const 1
Many struct file_operations in the kernel can be "const". Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data. In addition it'll catch accidental writes at compile time to
these shared resources.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/random.h')
| -rw-r--r-- | include/linux/random.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/random.h b/include/linux/random.h index 01ad71033d65..36f125c0c603 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -63,7 +63,7 @@ extern u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr, __be16 sport, __be16 dport); #ifndef MODULE -extern struct file_operations random_fops, urandom_fops; +extern const struct file_operations random_fops, urandom_fops; #endif unsigned int get_random_int(void); |