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From: Bruce Richardson <bruce.richardson@intel.com>
To: "Xie, Huawei" <huawei.xie@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [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

  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 [RFC PATCH 0/2] Reduce DPDK initialization time Zhihong Wang
2015-11-18  3:27 ` [RFC PATCH 1/2] lib/librte_eal: Reduce timer " Zhihong Wang
2015-11-18  3:27 ` [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 ` [RFC PATCH 0/2] Reduce DPDK initialization time Qiu, Michael

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