[dpdk-stable] patch 'memzone: fix size on reserving biggest memzone' has been queued to LTS release 16.11.7
luca.boccassi at gmail.com
luca.boccassi at gmail.com
Tue May 15 19:19:14 CEST 2018
Hi,
FYI, your patch has been queued to LTS release 16.11.7
Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 05/16/18. So please
shout if anyone has objections.
Thanks.
Luca Boccassi
---
>From 40aa5078cbc8bf3261723d2f92688d81b1313ba4 Mon Sep 17 00:00:00 2001
From: Anatoly Burakov <anatoly.burakov at intel.com>
Date: Thu, 3 May 2018 17:00:47 +0100
Subject: [PATCH] memzone: fix size on reserving biggest memzone
[ upstream commit a82377cab87cea35bdd135fa8b8c4c485e2389f7 ]
Size of malloc heap elements include overhead, which should not
be counted as part of memzone.
Fixes: fafcc11985a2 ("mem: rework memzone to be allocated by malloc")
Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev at intel.com>
---
lib/librte_eal/common/eal_common_memzone.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/librte_eal/common/eal_common_memzone.c b/lib/librte_eal/common/eal_common_memzone.c
index b58d85b71..c51386906 100644
--- a/lib/librte_eal/common/eal_common_memzone.c
+++ b/lib/librte_eal/common/eal_common_memzone.c
@@ -253,7 +253,8 @@ memzone_reserve_aligned_thread_unsafe(const char *name, size_t len,
snprintf(mz->name, sizeof(mz->name), "%s", name);
mz->phys_addr = rte_malloc_virt2phy(mz_addr);
mz->addr = mz_addr;
- mz->len = (requested_len == 0 ? elem->size : requested_len);
+ mz->len = (requested_len == 0 ?
+ (elem->size - MALLOC_ELEM_OVERHEAD) : requested_len);
mz->hugepage_sz = elem->ms->hugepage_sz;
mz->socket_id = elem->ms->socket_id;
mz->flags = 0;
--
2.14.2
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