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[PATCH] mark struct file_operations const 6

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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:
Arjan van de Ven 2007-02-12 00:55:34 -08:00 • committed by Linus Torvalds
parent d54b1fdb1d
commit 00977a59b9
45 changed files with 91 additions and 91 deletions
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4
fs/proc/generic.c
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@ -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,
};