[dpdk-dev] [PATCH] memzone: fix memzone size on reserving biggest memzone
Anatoly Burakov
anatoly.burakov at intel.com
Thu May 3 18:00:47 CEST 2018
Size of malloc heap elements include overhead, which sould not
be counted as part of memzone.
Fixes: fafcc11985a2 ("mem: rework memzone to be allocated by malloc")
Cc: stable at dpdk.org
Signed-off-by: Anatoly Burakov <anatoly.burakov 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 bce3321..0595b3a 100644
--- a/lib/librte_eal/common/eal_common_memzone.c
+++ b/lib/librte_eal/common/eal_common_memzone.c
@@ -213,7 +213,8 @@ memzone_reserve_aligned_thread_unsafe(const char *name, size_t len,
snprintf(mz->name, sizeof(mz->name), "%s", name);
mz->iova = rte_malloc_virt2iova(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->msl->page_sz;
mz->socket_id = elem->msl->socket_id;
mz->flags = 0;
--
2.7.4
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