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/ia64/hp/common/sba_iommu.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/ia64/hp/common/sba_iommu.c')
| -rw-r--r-- | arch/ia64/hp/common/sba_iommu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index ce49fe3a3b56..c1dca226b479 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -1881,7 +1881,7 @@ ioc_open(struct inode *inode, struct file *file) return seq_open(file, &ioc_seq_ops); } -static struct file_operations ioc_fops = { +static const struct file_operations ioc_fops = { .open = ioc_open, .read = seq_read, .llseek = seq_lseek, |