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* [dpdk-dev] [PATCH] malloc: fix memory element size in case of padding
@ 2019-11-21 14:25 Xueming Li
  2019-11-21 15:14 ` Burakov, Anatoly
  0 siblings, 1 reply; 10+ messages in thread
From: Xueming Li @ 2019-11-21 14:25 UTC (permalink / raw)
  To: Anatoly Burakov; +Cc: Xueming Li, Asaf Penso, dev, stable

This patch fixes wrong inner memory element size when joining two
elements.

Fixes: af75078fece3 ("first public release")
Cc: stable@dpdk.org

Signed-off-by: Xueming Li <xuemingl@mellanox.com>
---
 lib/librte_eal/common/malloc_elem.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/librte_eal/common/malloc_elem.c b/lib/librte_eal/common/malloc_elem.c
index afacb1813c..885d00424b 100644
--- a/lib/librte_eal/common/malloc_elem.c
+++ b/lib/librte_eal/common/malloc_elem.c
@@ -487,6 +487,10 @@ join_elem(struct malloc_elem *elem1, struct malloc_elem *elem2)
 	else
 		elem1->heap->last = elem1;
 	elem1->next = next;
+	if (elem1->pad) {
+		struct malloc_elem *inner = RTE_PTR_ADD(elem1, elem1->pad);
+		inner->size = elem1->size - elem1->pad;
+	}
 }
 
 struct malloc_elem *
-- 
2.17.1


^ permalink raw reply	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2019-11-26 15:26 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-11-21 14:25 [dpdk-dev] [PATCH] malloc: fix memory element size in case of padding Xueming Li
2019-11-21 15:14 ` Burakov, Anatoly
2019-11-25 23:24   ` Thomas Monjalon
2019-11-26 12:57     ` Burakov, Anatoly
2019-11-26 13:30       ` Thomas Monjalon
2019-11-26 13:39         ` Xueming(Steven) Li
2019-11-26 13:45           ` Thomas Monjalon
2019-11-26 14:55             ` Burakov, Anatoly
2019-11-26 15:01             ` Thomas Monjalon
2019-11-26 15:26   ` Thomas Monjalon

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