[dpdk-dev,v4,06/15] malloc: use pointer diff macro in IOVA mapping
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Commit Message
From: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Use RTE_PTR_DIFF macro in rte_mem_virt2iova api.
Suggested-by: Anatoly Burakov <anatoly.burakov@intel.com>
Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
---
lib/librte_eal/common/rte_malloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
@@ -262,6 +262,6 @@ rte_malloc_virt2iova(const void *addr)
iova = (uintptr_t)addr;
else
iova = elem->ms->iova +
- ((uintptr_t)addr - (uintptr_t)elem->ms->addr);
+ RTE_PTR_DIFF(addr, elem->ms->addr);
return iova;
}