From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olivier Matz Subject: [PATCH v2] mempool: fix search of maximum contiguous pages Date: Tue, 25 Oct 2016 17:01:11 +0200 Message-ID: <1477407671-21019-1-git-send-email-olivier.matz@6wind.com> References: <1476351445-18102-1-git-send-email-wei.dai@intel.com> Cc: sergio.gonzalez.monroy@intel.com, jianfeng.tan@intel.com, thomas.monjalon@6wind.com, stable@dpdk.org To: dev@dpdk.org, wei.dai@intel.com Return-path: In-Reply-To: <1476351445-18102-1-git-send-email-wei.dai@intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: 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 Signed-off-by: Olivier Matz --- 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