[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>
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 604f5b5..e6d11ab 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1712,7 +1712,7 @@
}
-static struct file_operations ipmr_vif_fops = {
+static const struct file_operations ipmr_vif_fops = {
.owner = THIS_MODULE,
.open = ipmr_vif_open,
.read = seq_read,
@@ -1874,7 +1874,7 @@
}
-static struct file_operations ipmr_mfc_fops = {
+static const struct file_operations ipmr_mfc_fops = {
.owner = THIS_MODULE,
.open = ipmr_mfc_open,
.read = seq_read,