From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Burakov, Anatoly" Subject: Re: [PATCH v3] mem: Fix anonymous mapping on Power9. Date: Wed, 20 Feb 2019 16:04:20 +0000 Message-ID: <22f8d817-c649-2770-b86e-5229559bb13b@intel.com> References: <20181116173538.5321-1-dwilder@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: stable@dpdk.org, chaozhu@linux.vnet.ibm.com, thomas@monjalon.net To: David Wilder , dev@dpdk.org Return-path: In-Reply-To: <20181116173538.5321-1-dwilder@us.ibm.com> Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 16-Nov-18 5:35 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 > Reviewed-by: Pradeep Satyanarayana > --- The changes are contained entirely to POWER9 code paths/docs, so while i cannot verify them working for obvious reasons, i have no objections to this patch. Acked-by: Anatoly Burakov -- Thanks, Anatoly