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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:35 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:46 -0800
commit9a32144e9d7b4e21341174b1a83b82a82353be86 (patch)
tree6f08560b341418fc9934f56f6162a95f5b5d8aec /net/ipv6/mcast.c
parent00977a59b951207d38380c75f03a36829950265c (diff)
downloadop-kernel-dev-9a32144e9d7b4e21341174b1a83b82a82353be86.zip
op-kernel-dev-9a32144e9d7b4e21341174b1a83b82a82353be86.tar.gz
[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/ipv6/mcast.c')
-rw-r--r--net/ipv6/mcast.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index c9db5bc..a8d6625 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -2451,7 +2451,7 @@ out_kfree:
goto out;
}
-static struct file_operations igmp6_mc_seq_fops = {
+static const struct file_operations igmp6_mc_seq_fops = {
.owner = THIS_MODULE,
.open = igmp6_mc_seq_open,
.read = seq_read,
@@ -2625,7 +2625,7 @@ out_kfree:
goto out;
}
-static struct file_operations igmp6_mcf_seq_fops = {
+static const struct file_operations igmp6_mcf_seq_fops = {
.owner = THIS_MODULE,
.open = igmp6_mcf_seq_open,
.read = seq_read,
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