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Subject[PATCH 7/7] xen: simplify sysctl registration for balloon
Date
register_sysctl_table() is a deprecated compatibility wrapper.
register_sysctl_init() can do the directory creation for you so just
use that.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
drivers/xen/balloon.c | 20 +-------------------
1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 617a7f4f07a8..586a1673459e 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -97,24 +97,6 @@ static struct ctl_table balloon_table[] = {
{ }
};

-static struct ctl_table balloon_root[] = {
- {
- .procname = "balloon",
- .mode = 0555,
- .child = balloon_table,
- },
- { }
-};
-
-static struct ctl_table xen_root[] = {
- {
- .procname = "xen",
- .mode = 0555,
- .child = balloon_root,
- },
- { }
-};
-
#else
#define xen_hotplug_unpopulated 0
#endif
@@ -747,7 +729,7 @@ static int __init balloon_init(void)
#ifdef CONFIG_XEN_BALLOON_MEMORY_HOTPLUG
set_online_page_callback(&xen_online_page);
register_memory_notifier(&xen_memory_nb);
- register_sysctl_table(xen_root);
+ register_sysctl_init("xen/balloon", balloon_table);
#endif

balloon_add_regions();
--
2.39.1
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