From 4d0c51a85d2b311f0c7ede45e42f3564e489e382 Mon Sep 17 00:00:00 2001 From: Olivier Matz Date: Mon, 11 Jul 2016 12:20:28 +0200 Subject: [PATCH] mempool: fix creation with Xen dom0 Restore the use of 2M hugepages when using Xen Dom0 that was dropped during mempool rework. Fixes: c042ba20674a ("mempool: rework support of Xen dom0") Reported-by: Huilong Xu Signed-off-by: Olivier Matz --- lib/librte_mempool/rte_mempool.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c index d78d02b7b8..6ec09063db 100644 --- a/lib/librte_mempool/rte_mempool.c +++ b/lib/librte_mempool/rte_mempool.c @@ -524,7 +524,11 @@ rte_mempool_populate_default(struct rte_mempool *mp) if (mp->nb_mem_chunks != 0) return -EEXIST; - if (rte_eal_has_hugepages()) { + if (rte_xen_dom0_supported()) { + pg_sz = RTE_PGSIZE_2M; + pg_shift = rte_bsf32(pg_sz); + align = pg_sz; + } else if (rte_eal_has_hugepages()) { pg_shift = 0; /* not needed, zone is physically contiguous */ pg_sz = 0; align = RTE_CACHE_LINE_SIZE; -- 2.20.1