lowmem: remove unecessary usage of proc_dointvec_minmax()

As far as I can understand, using proc_dointvec_minmax() instead of
proc_dointvec only makes sense if you supply the min and/or max values in the
extra1 and extra2 fields of the struct.
Signed-off-by: Viktor Rosendahl <viktor.rosendahl@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

security/lowmem.c

@@ -69,7 +69,7 @@ static ctl_table lowmem_table[] = {
 		.maxlen = sizeof(unsigned int),
 		.mode = 0644,
 		.child = NULL,
-		.proc_handler = &proc_dointvec_minmax,
+		.proc_handler = &proc_dointvec,
 		.strategy = &sysctl_intvec,
 	}, {
 		.ctl_name = VM_LOWMEM_ALLOWED_UIDS,
@@ -89,7 +89,7 @@ static ctl_table lowmem_table[] = {
 		.maxlen = sizeof(unsigned long),
 		.mode = 0444,
 		.child = NULL,
-		.proc_handler = &proc_dointvec_minmax,
+		.proc_handler = &proc_dointvec,
 		.strategy = &sysctl_intvec,
 	}, {
 		.ctl_name = VM_LOWMEM_USED_PAGES,
@@ -98,7 +98,7 @@ static ctl_table lowmem_table[] = {
 		.maxlen = sizeof(long),
 		.mode = 0444,
 		.child = NULL,
-		.proc_handler = &proc_dointvec_minmax,
+		.proc_handler = &proc_dointvec,
 		.strategy = &sysctl_intvec,
 	}, {
 		.ctl_name = 0