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kernel/delayacct: move delayacct sysctls to its own file

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kernel/sysctl.c is a kitchen sink where everyone leaves their dirty
dishes, this makes it very difficult to maintain.

To help with this maintenance let's start by moving sysctls to places
where they actually belong.  The proc sysctl maintainers do not want to
know what sysctl knobs you wish to add for your own piece of code, we
just care about the core logic.

All filesystem syctls now get reviewed by fs folks. This commit
follows the commit of fs, move the delayacct sysctl to its own file,
kernel/delayacct.c.

Signed-off-by: tangmeng <tangmeng@uniontech.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
This commit is contained in:
tangmeng
2022-02-18 18:59:36 +08:00
committed by Luis Chamberlain
parent 801b501439
commit 1186618a6a
3 changed files with 21 additions and 16 deletions
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22
kernel/delayacct.c
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@@ -44,7 +44,7 @@ void delayacct_init(void)
}
#ifdef CONFIG_PROC_SYSCTL
int sysctl_delayacct(struct ctl_table *table, int write, void *buffer,
static int sysctl_delayacct(struct ctl_table *table, int write, void *buffer,
size_t *lenp, loff_t *ppos)
{
int state = delayacct_on;
@@ -63,6 +63,26 @@ int sysctl_delayacct(struct ctl_table *table, int write, void *buffer,
set_delayacct(state);
return err;
}
static struct ctl_table kern_delayacct_table[] = {
{
.procname = "task_delayacct",
.data = NULL,
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = sysctl_delayacct,
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_ONE,
},
{ }
};
static __init int kernel_delayacct_sysctls_init(void)
{
register_sysctl_init("kernel", kern_delayacct_table);
return 0;
}
late_initcall(kernel_delayacct_sysctls_init);
#endif
void __delayacct_tsk_init(struct task_struct *tsk)