diff --git a/proc/diskstats.c b/proc/diskstats.c
index e935bb3c..134f6e01 100644
--- a/proc/diskstats.c
+++ b/proc/diskstats.c
@@ -989,7 +989,9 @@ PROCPS_EXPORT struct diskstats_stack **procps_diskstats_sort (
     }
     errno = 0;
 
+    parms.offset = offset;
     parms.order = order;
+
     qsort_r(stacks, numstacked, sizeof(void *), (QSR_t)Item_table[p->item].sortfunc, &parms);
     return stacks;
 } // end: procps_diskstats_sort
diff --git a/proc/diskstats.h b/proc/diskstats.h
index 92195c3d..8b9b8d00 100644
--- a/proc/diskstats.h
+++ b/proc/diskstats.h
@@ -91,7 +91,7 @@ struct diskstats_reap {
 #define DISKSTATS_TYPE_PARTITION  -22222
 
 #define DISKSTATS_GET( info, name, actual_enum, type ) ( { \
-    struct diskstats_result *r = procps_diskstats_get( info, actual_enum ); \
+    struct diskstats_result *r = procps_diskstats_get( info, name, actual_enum ); \
     r ? r->result . type : 0; } )
 
 #define DISKSTATS_VAL( relative_enum, type, stack, info ) \
diff --git a/proc/slabinfo.c b/proc/slabinfo.c
index 4049c1a8..d1c4f98f 100644
--- a/proc/slabinfo.c
+++ b/proc/slabinfo.c
@@ -584,6 +584,7 @@ static void slabinfo_itemize_stacks_all (
 
 
 static inline int slabinfo_items_check_failed (
+        struct ext_support *this,
         enum slabinfo_item *items,
         int numitems)
 {
@@ -615,6 +616,7 @@ static inline int slabinfo_items_check_failed (
             return 1;
         if (items[i] >= SLABINFO_logical_end)
             return 1;
+        (void)this;
 #endif
     }
 
@@ -741,7 +743,7 @@ static int slabinfo_stacks_reconfig_maybe (
         enum slabinfo_item *items,
         int numitems)
 {
-    if (slabinfo_items_check_failed(items, numitems))
+    if (slabinfo_items_check_failed(this, items, numitems))
         return -1;
     /* is this the first time or have things changed since we were last called?
        if so, gotta' redo all of our stacks stuff ... */