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* [dpdk-dev] [PATCH] mempool: fix search of maximum contiguous pages
@ 2016-10-13  9:37 Wei Dai
  2016-10-13  9:46 ` Sergio Gonzalez Monroy
                   ` (2 more replies)
  0 siblings, 3 replies; 11+ messages in thread
From: Wei Dai @ 2016-10-13  9:37 UTC (permalink / raw)
  To: dev, sergio.gonzalez.monroy, jianfeng.tan, wei.dai

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@intel.com>
---
 lib/librte_mempool/rte_mempool.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 71017e1..e3e254a 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -426,9 +426,12 @@ rte_mempool_populate_phys_tab(struct rte_mempool *mp, char *vaddr,
 
 	for (i = 0; i < pg_num && mp->populated_size < mp->size; i += n) {
 
+		phys_addr_t paddr_next;
+		paddr_next = paddr[i] + pg_sz;
+
 		/* populate with the largest group of contiguous pages */
 		for (n = 1; (i + n) < pg_num &&
-			     paddr[i] + pg_sz == paddr[i+n]; n++)
+			     paddr_next == paddr[i+n]; n++, paddr_next += pg_sz)
 			;
 
 		ret = rte_mempool_populate_phys(mp, vaddr + i * pg_sz,
-- 
2.7.4

^ permalink raw reply	[flat|nested] 11+ messages in thread

end of thread, other threads:[~2016-10-25 21:23 UTC | newest]

Thread overview: 11+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-10-13  9:37 [dpdk-dev] [PATCH] mempool: fix search of maximum contiguous pages Wei Dai
2016-10-13  9:46 ` Sergio Gonzalez Monroy
2016-10-13  9:53 ` Ananyev, Konstantin
2016-10-13  9:59   ` Ananyev, Konstantin
2016-10-13 11:52     ` Dai, Wei
2016-10-13 12:31       ` Ananyev, Konstantin
2016-10-13 15:05         ` Olivier MATZ
2016-10-25 14:37           ` Thomas Monjalon
2016-10-25 14:56             ` Olivier Matz
2016-10-25 15:01 ` [dpdk-dev] [PATCH v2] " Olivier Matz
2016-10-25 21:23   ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon

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