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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:36 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:46 -0800
commitda7071d7e32d15149cc513f096a3638097b66387 (patch)
treef56fb200090ad55b2e2a72c379b1eeea29795670 /net/packet/af_packet.c
parent9a32144e9d7b4e21341174b1a83b82a82353be86 (diff)
downloadop-kernel-dev-da7071d7e32d15149cc513f096a3638097b66387.zip
op-kernel-dev-da7071d7e32d15149cc513f096a3638097b66387.tar.gz
[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>
Diffstat (limited to 'net/packet/af_packet.c')
-rw-r--r--net/packet/af_packet.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 4445509..15ff7b1 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,
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