[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>
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Linus Torvalds
parent
9a32144e9d
commit
da7071d7e3
@@ -934,7 +934,7 @@ static int nr_node_info_open(struct inode *inode, struct file *file)
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return seq_open(file, &nr_node_seqops);
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}
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struct file_operations nr_nodes_fops = {
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const struct file_operations nr_nodes_fops = {
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.owner = THIS_MODULE,
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.open = nr_node_info_open,
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.read = seq_read,
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@@ -1018,7 +1018,7 @@ static int nr_neigh_info_open(struct inode *inode, struct file *file)
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return seq_open(file, &nr_neigh_seqops);
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}
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struct file_operations nr_neigh_fops = {
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const struct file_operations nr_neigh_fops = {
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.owner = THIS_MODULE,
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.open = nr_neigh_info_open,
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.read = seq_read,
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