[PATCH] mark struct file_operations const 6
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>
This commit is contained in:
committed by
Linus Torvalds
parent
d54b1fdb1d
commit
00977a59b9
@@ -39,7 +39,7 @@ int proc_match(int len, const char *name, struct proc_dir_entry *de)
|
||||
return !memcmp(name, de->name, len);
|
||||
}
|
||||
|
||||
static struct file_operations proc_file_operations = {
|
||||
static const struct file_operations proc_file_operations = {
|
||||
.llseek = proc_file_lseek,
|
||||
.read = proc_file_read,
|
||||
.write = proc_file_write,
|
||||
@@ -497,7 +497,7 @@ out: unlock_kernel();
|
||||
* use the in-memory "struct proc_dir_entry" tree to parse
|
||||
* the /proc directory.
|
||||
*/
|
||||
static struct file_operations proc_dir_operations = {
|
||||
static const struct file_operations proc_dir_operations = {
|
||||
.read = generic_read_dir,
|
||||
.readdir = proc_readdir,
|
||||
};
|
||||
|
Reference in New Issue
Block a user