Commit 4c2c3b4a authored by akpm@linux-foundation.org's avatar akpm@linux-foundation.org Committed by Linus Torvalds

ipc/ipc_sysctl.c: move the definition of ipc_auto_callback()

proc_ipcauto_dointvec_minmax() is the only user of ipc_auto_callback(),
since the former function is protected by CONFIG_PROC_FS, so should be the
latter one.

Just move its definition down.
Signed-off-by: default avatarWANG Cong <wangcong@zeuux.org>
Cc: Eric Biederman <ebiederm@xmision.com>
Cc: Nadia Derbey <Nadia.Derbey@bull.net>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e953ac21
......@@ -26,29 +26,6 @@ static void *get_ipc(ctl_table *table)
return which;
}
/*
* Routine that is called when the file "auto_msgmni" has successfully been
* written.
* Two values are allowed:
* 0: unregister msgmni's callback routine from the ipc namespace notifier
* chain. This means that msgmni won't be recomputed anymore upon memory
* add/remove or ipc namespace creation/removal.
* 1: register back the callback routine.
*/
static void ipc_auto_callback(int val)
{
if (!val)
unregister_ipcns_notifier(current->nsproxy->ipc_ns);
else {
/*
* Re-enable automatic recomputing only if not already
* enabled.
*/
recompute_msgmni(current->nsproxy->ipc_ns);
cond_register_ipcns_notifier(current->nsproxy->ipc_ns);
}
}
#ifdef CONFIG_PROC_FS
static int proc_ipc_dointvec(ctl_table *table, int write, struct file *filp,
void __user *buffer, size_t *lenp, loff_t *ppos)
......@@ -94,6 +71,29 @@ static int proc_ipc_doulongvec_minmax(ctl_table *table, int write,
lenp, ppos);
}
/*
* Routine that is called when the file "auto_msgmni" has successfully been
* written.
* Two values are allowed:
* 0: unregister msgmni's callback routine from the ipc namespace notifier
* chain. This means that msgmni won't be recomputed anymore upon memory
* add/remove or ipc namespace creation/removal.
* 1: register back the callback routine.
*/
static void ipc_auto_callback(int val)
{
if (!val)
unregister_ipcns_notifier(current->nsproxy->ipc_ns);
else {
/*
* Re-enable automatic recomputing only if not already
* enabled.
*/
recompute_msgmni(current->nsproxy->ipc_ns);
cond_register_ipcns_notifier(current->nsproxy->ipc_ns);
}
}
static int proc_ipcauto_dointvec_minmax(ctl_table *table, int write,
struct file *filp, void __user *buffer, size_t *lenp, loff_t *ppos)
{
......
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