[PATCH] mark struct file_operations const 8

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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 444550917bc1..15ff7b15e211 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1952,7 +1952,7 @@ static int packet_seq_open(struct inode *inode, struct file *file)
         return seq_open(file, &packet_seq_ops);
 }
 
-static struct file_operations packet_seq_fops = {
+static const struct file_operations packet_seq_fops = {
         .owner          = THIS_MODULE,
         .open           = packet_seq_open,
         .read           = seq_read,