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Date: Mon, 23 Nov 2015 10:18:27 +0000
From: Bruce Richardson <bruce.richardson@intel.com>
To: "Xie, Huawei" <huawei.xie@intel.com>
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Subject: Re: [dpdk-dev] [RFC PATCH 2/2] lib/librte_eal: Remove	unnecessary
 hugepage zero-filling
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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