From: Bruce Richardson <bruce.richardson@intel.com>
To: "Xie, Huawei" <huawei.xie@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [RFC PATCH 2/2] lib/librte_eal: Remove unnecessary hugepage zero-filling
Date: Mon, 23 Nov 2015 10:18:27 +0000 [thread overview]
Message-ID: <20151123101827.GA9088@bricha3-MOBL3> (raw)
In-Reply-To: <C37D651A908B024F974696C65296B57B4B1A6A71@SHSMSX101.ccr.corp.intel.com>
On Mon, Nov 23, 2015 at 02:54:54AM +0000, Xie, Huawei wrote:
I checked shared mapping with MAP_POPULATE between two processes. It
> works. Then i did some search, find the manual is also ambiguous to
> others and thus have been changed, :).
> Before: MAP_POPULATE is only supported for private mappings since Linux
> 2.6.23.
> After: MAP_POPULATE is supported for private mappings only since Linux
> 2.6.23.
> http://stackoverflow.com/questions/23502361/linux-mmap-with-map-populate-man-page-seems-to-give-wrong-info
> >
Doesn't matter much for us, as we use shared rather than private mappings for the
hugepages.
/Bruce
next prev parent reply other threads:[~2015-11-23 10:18 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-18 3:27 [dpdk-dev] [RFC PATCH 0/2] Reduce DPDK initialization time Zhihong Wang
2015-11-18 3:27 ` [dpdk-dev] [RFC PATCH 1/2] lib/librte_eal: Reduce timer " Zhihong Wang
2015-11-18 3:27 ` [dpdk-dev] [RFC PATCH 2/2] lib/librte_eal: Remove unnecessary hugepage zero-filling Zhihong Wang
2015-11-18 10:39 ` Mcnamara, John
2015-11-18 10:44 ` Wang, Zhihong
2015-11-18 12:07 ` Xie, Huawei
2015-11-18 16:00 ` Stephen Hemminger
2015-11-18 16:13 ` Richardson, Bruce
2015-11-18 19:09 ` Stephen Hemminger
2015-11-19 2:15 ` Wang, Zhihong
2015-11-19 6:04 ` Xie, Huawei
2015-11-19 6:32 ` Wang, Zhihong
2015-11-19 9:18 ` Sergio Gonzalez Monroy
2015-11-23 2:54 ` Xie, Huawei
2015-11-23 10:18 ` Bruce Richardson [this message]
2015-11-20 12:15 ` Bruce Richardson
2015-11-19 3:54 ` Wang, Zhihong
2015-11-19 6:09 ` Xie, Huawei
2015-11-19 9:14 ` Sergio Gonzalez Monroy
2015-11-23 3:46 ` Xie, Huawei
2015-11-23 4:07 ` Stephen Hemminger
2015-11-23 5:05 ` Xie, Huawei
2015-11-23 6:52 ` Stephen Hemminger
2015-11-25 18:24 ` Xie, Huawei
2015-12-24 8:34 ` [dpdk-dev] [RFC PATCH 0/2] Reduce DPDK initialization time Qiu, Michael
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