diff options
| author | Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 00:55:31 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:44 -0800 |
| commit | 5dfe4c964a0dd7bb3a1d64a4166835a153146207 (patch) | |
| tree | 2fb2fd8c09922be4f40a5a9ac50b537b1d780e27 /arch/parisc/kernel/perf.c | |
| parent | 540473208f8ac71c25a87e1a2670c3c18dd4d6db (diff) | |
[PATCH] mark struct file_operations const 2
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.
[akpm@osdl.org: sparc64 fix]
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 'arch/parisc/kernel/perf.c')
| -rw-r--r-- | arch/parisc/kernel/perf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c index ac8ee205c351..a46bc62b643e 100644 --- a/arch/parisc/kernel/perf.c +++ b/arch/parisc/kernel/perf.c @@ -479,7 +479,7 @@ static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return error; } -static struct file_operations perf_fops = { +static const struct file_operations perf_fops = { .llseek = no_llseek, .read = perf_read, .write = perf_write, |