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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 03:55:35 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 12:48:46 -0500
commit9a32144e9d7b4e21341174b1a83b82a82353be86 (patch)
tree6f08560b341418fc9934f56f6162a95f5b5d8aec /net/ipv4/route.c
parent00977a59b951207d38380c75f03a36829950265c (diff)
[PATCH] mark struct file_operations const 7
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 'net/ipv4/route.c')
-rw-r--r--net/ipv4/route.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 5b3834b38a2d..9b5e56481d53 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -393,7 +393,7 @@ out_kfree:
393 goto out; 393 goto out;
394} 394}
395 395
396static struct file_operations rt_cache_seq_fops = { 396static const struct file_operations rt_cache_seq_fops = {
397 .owner = THIS_MODULE, 397 .owner = THIS_MODULE,
398 .open = rt_cache_seq_open, 398 .open = rt_cache_seq_open,
399 .read = seq_read, 399 .read = seq_read,
@@ -484,7 +484,7 @@ static int rt_cpu_seq_open(struct inode *inode, struct file *file)
484 return seq_open(file, &rt_cpu_seq_ops); 484 return seq_open(file, &rt_cpu_seq_ops);
485} 485}
486 486
487static struct file_operations rt_cpu_seq_fops = { 487static const struct file_operations rt_cpu_seq_fops = {
488 .owner = THIS_MODULE, 488 .owner = THIS_MODULE,
489 .open = rt_cpu_seq_open, 489 .open = rt_cpu_seq_open,
490 .read = seq_read, 490 .read = seq_read,