diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a59bdb6..4f59fa2 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3389,7 +3389,7 @@
 /*
  * sysctl handler for numa_zonelist_order
  */
-int numa_zonelist_order_handler(ctl_table *table, int write,
+int numa_zonelist_order_handler(struct ctl_table *table, int write,
 		void __user *buffer, size_t *length,
 		loff_t *ppos)
 {
@@ -5805,7 +5805,7 @@
  *	that we can call two helper functions whenever min_free_kbytes
  *	changes.
  */
-int min_free_kbytes_sysctl_handler(ctl_table *table, int write,
+int min_free_kbytes_sysctl_handler(struct ctl_table *table, int write,
 	void __user *buffer, size_t *length, loff_t *ppos)
 {
 	int rc;
@@ -5822,7 +5822,7 @@
 }
 
 #ifdef CONFIG_NUMA
-int sysctl_min_unmapped_ratio_sysctl_handler(ctl_table *table, int write,
+int sysctl_min_unmapped_ratio_sysctl_handler(struct ctl_table *table, int write,
 	void __user *buffer, size_t *length, loff_t *ppos)
 {
 	struct zone *zone;
@@ -5838,7 +5838,7 @@
 	return 0;
 }
 
-int sysctl_min_slab_ratio_sysctl_handler(ctl_table *table, int write,
+int sysctl_min_slab_ratio_sysctl_handler(struct ctl_table *table, int write,
 	void __user *buffer, size_t *length, loff_t *ppos)
 {
 	struct zone *zone;
@@ -5864,7 +5864,7 @@
  * minimum watermarks. The lowmem reserve ratio can only make sense
  * if in function of the boot time zone sizes.
  */
-int lowmem_reserve_ratio_sysctl_handler(ctl_table *table, int write,
+int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *table, int write,
 	void __user *buffer, size_t *length, loff_t *ppos)
 {
 	proc_dointvec_minmax(table, write, buffer, length, ppos);
@@ -5877,7 +5877,7 @@
  * cpu.  It is the fraction of total pages in each zone that a hot per cpu
  * pagelist can have before it gets flushed back to buddy allocator.
  */
-int percpu_pagelist_fraction_sysctl_handler(ctl_table *table, int write,
+int percpu_pagelist_fraction_sysctl_handler(struct ctl_table *table, int write,
 	void __user *buffer, size_t *length, loff_t *ppos)
 {
 	struct zone *zone;