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| author | Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 09:55:31 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 18:48:44 +0100 |
| commit | 5dfe4c964a0dd7bb3a1d64a4166835a153146207 (patch) | |
| tree | 2fb2fd8c09922be4f40a5a9ac50b537b1d780e27 /arch/um/drivers/harddog_kern.c | |
| parent | [PATCH] mark struct file_operations const 1 (diff) | |
| download | linux-5dfe4c964a0dd7bb3a1d64a4166835a153146207.tar.xz linux-5dfe4c964a0dd7bb3a1d64a4166835a153146207.zip | |
[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/um/drivers/harddog_kern.c')
| -rw-r--r-- | arch/um/drivers/harddog_kern.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c index 73c5caa7a150..55601687b3bc 100644 --- a/arch/um/drivers/harddog_kern.c +++ b/arch/um/drivers/harddog_kern.c @@ -145,7 +145,7 @@ static int harddog_ioctl(struct inode *inode, struct file *file, } } -static struct file_operations harddog_fops = { +static const struct file_operations harddog_fops = { .owner = THIS_MODULE, .write = harddog_write, .ioctl = harddog_ioctl, |