[dpdk-dev] [PATCH v2] mempool: fix search of maximum contiguous pages
Olivier Matz
olivier.matz at 6wind.com
Tue Oct 25 17:01:11 CEST 2016
From: Wei Dai <wei.dai at intel.com>
paddr[i] + pg_sz always points to the start physical address of the
2nd page after pddr[i], so only up to 2 pages can be combinded to
be used. With this revision, more than 2 pages can be used.
Fixes: 84121f197187 ("mempool: store memory chunks in a list")
Signed-off-by: Wei Dai <wei.dai at intel.com>
Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
---
lib/librte_mempool/rte_mempool.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 71017e1..e94e56f 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -428,7 +428,7 @@ rte_mempool_populate_phys_tab(struct rte_mempool *mp, char *vaddr,
/* populate with the largest group of contiguous pages */
for (n = 1; (i + n) < pg_num &&
- paddr[i] + pg_sz == paddr[i+n]; n++)
+ paddr[i + n - 1] + pg_sz == paddr[i + n]; n++)
;
ret = rte_mempool_populate_phys(mp, vaddr + i * pg_sz,
--
2.8.1
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