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[PATCH] mark struct file_operations const 7

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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 00:55:35 -08:00 • committed by Linus Torvalds
commit 9a32144e9d
53 changed files with 86 additions and 86 deletions
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4
ipc/util.c
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@ -205,7 +205,7 @@ void __ipc_init ipc_init_ids(struct ipc_ids* ids, int size)
}
#ifdef CONFIG_PROC_FS
static struct file_operations sysvipc_proc_fops;
static const struct file_operations sysvipc_proc_fops;
/**
* ipc_init_proc_interface - Create a proc interface for sysipc types using a seq_file interface.
* @path: Path in procfs
@ -879,7 +879,7 @@ static int sysvipc_proc_release(struct inode *inode, struct file *file)
return seq_release_private(inode, file);
}
static struct file_operations sysvipc_proc_fops = {
static const struct file_operations sysvipc_proc_fops = {
.open = sysvipc_proc_open,
.read = seq_read,
.llseek = seq_lseek,