[PATCH] mark struct file_operations const 3
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
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5dfe4c964a
commit
2b8693c061
@@ -176,7 +176,7 @@ static int proc_viocd_open(struct inode *inode, struct file *file)
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return single_open(file, proc_viocd_show, NULL);
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}
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static struct file_operations proc_viocd_operations = {
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static const struct file_operations proc_viocd_operations = {
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.open = proc_viocd_open,
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.read = seq_read,
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.llseek = seq_lseek,
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