The pad value is not used unless element is in pad state, but it
will show up in heap dumps and may be confusing.

Signed-off-by: Anatoly Burakov <anatoly.bura...@intel.com>
---
 lib/librte_eal/common/malloc_elem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/librte_eal/common/malloc_elem.c 
b/lib/librte_eal/common/malloc_elem.c
index af81961..0a86d34 100644
--- a/lib/librte_eal/common/malloc_elem.c
+++ b/lib/librte_eal/common/malloc_elem.c
@@ -445,6 +445,8 @@ malloc_elem_free(struct malloc_elem *elem)
 
        malloc_elem_free_list_insert(elem);
 
+       elem->pad = 0;
+
        /* decrease heap's count of allocated elements */
        elem->heap->alloc_count--;
 
-- 
2.7.4

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