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[PATCH] mark struct file_operations const 8

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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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Arjan van de Ven 2007-02-12 00:55:36 -08:00 • committed by Linus Torvalds
commit da7071d7e3
31 changed files with 51 additions and 51 deletions
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2
net/socket.c
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@ -117,7 +117,7 @@ static ssize_t sock_sendpage(struct file *file, struct page *page,
* in the operation structures but are done directly via the socketcall() multiplexor.
*/
static struct file_operations socket_file_ops = {
static const struct file_operations socket_file_ops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.aio_read = sock_aio_read,