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From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: David Wilder <dwilder@us.ibm.com>, dev@dpdk.org
Cc: stable@dpdk.org, pradeep@us.ibm.com, chaozhu@linux.vnet.ibm.com
Subject: Re: [dpdk-dev] [PATCH] mem: Fix anonymous mapping on Power9.
Date: Thu, 15 Nov 2018 10:49:10 +0000
Message-ID: <9db4f22f-fdce-dad4-f0fd-cf33aa0863a4@intel.com> (raw)
In-Reply-To: <20181114204051.9580-1-dwilder@us.ibm.com>

On 14-Nov-18 8:40 PM, David Wilder wrote:
> Removed the use of MAP_HUGETLB for anonymous mapping on ppc64.  The
> MAP_HUGETLB had previously been added to workaround issues on IBM Power8
> systems when mapping /dev/zero (see: commit
> 284ae3e9ff9a92575c28c858efd2c85c8de6d440).  In the current code the
> MAP_HUGETLB flag will cause the anonymous mapping to fail on Power9.
> Note, Power8 is currently failing to correctly mmap Hugepages, with and
> without this change.
> 
> Signed-off-by: David Wilder <dwilder@us.ibm.com>
> Reviewed-by: Pradeep Satyanarayana <pradeep@us.ibm.com>
> ---

Can't test it (obviously), but LGTM

Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>

-- 
Thanks,
Anatoly

  reply	other threads:[~2018-11-15 10:49 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-14 20:40 David Wilder
2018-11-15 10:49 ` Burakov, Anatoly [this message]
2018-11-15 15:11 ` Burakov, Anatoly
2018-11-16 23:56   ` dwilder
2018-11-15 18:17 ` Thomas Monjalon

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