From: "Harris, James R" <james.r.harris@intel.com>
To: "Gonzalez Monroy, Sergio" <sergio.gonzalez.monroy@intel.com>,
"Thomas Monjalon" <thomas.monjalon@6wind.com>,
"users@dpdk.org" <users@dpdk.org>, "dev@dpdk.org" <dev@dpdk.org>,
"Richardson, Bruce" <bruce.richardson@intel.com>
Cc: "Verkamp, Daniel" <daniel.verkamp@intel.com>
Subject: Re: [dpdk-users] [dpdk-dev] rte_zmalloc() returning non-zeroed memory on FreeBSD
Date: Tue, 16 Aug 2016 22:54:53 +0000 [thread overview]
Message-ID: <A35C21583F92CE4D8ADBF9D61694E910216C29FE@FMSMSX105.amr.corp.intel.com> (raw)
In-Reply-To: <8b8e180e-a996-ef6e-cbf8-23028a194224@intel.com>
> -----Original Message-----
> From: Gonzalez Monroy, Sergio
> Sent: Tuesday, August 16, 2016 12:37 AM
> To: Harris, James R; Thomas Monjalon; users@dpdk.org; dev@dpdk.org;
> Richardson, Bruce
> Cc: Verkamp, Daniel
> Subject: Re: [dpdk-dev] [dpdk-users] rte_zmalloc() returning non-zeroed
> memory on FreeBSD
>
> On 15/08/2016 18:23, Harris, James R wrote:
> >
<snip>
> > The problem is that the FreeBSD contigmem driver does not re-zero the
> huge
> > pages each time they are mmap'd - they are only zeroed when contigmem
> > initially loads. I will push a patch for this shortly.
>
> So that is the case where we run the app more than once, right?
> I missed that, I only ran it once.
Correct - it works OK the first time. The problem only occurs if you run the app
more than once (unless you unload and reload contigmem before running the
app a second time).
-Jim
prev parent reply other threads:[~2016-08-16 22:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-10 23:30 [dpdk-users] " Verkamp, Daniel
2016-08-10 23:39 ` Verkamp, Daniel
2016-08-11 7:05 ` Thomas Monjalon
2016-08-15 17:23 ` [dpdk-users] [dpdk-dev] " Harris, James R
[not found] ` <8b8e180e-a996-ef6e-cbf8-23028a194224@intel.com>
2016-08-16 22:54 ` Harris, James R [this message]
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