Re: [PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES

2016-06-08 Thread Leizhen (ThunderTown)
On 2016/6/8 12:45, Ganapatrao Kulkarni wrote: > On Wed, Jun 8, 2016 at 7:46 AM, Leizhen (ThunderTown) > wrote: >> >> >> On 2016/6/7 22:01, Ganapatrao Kulkarni wrote: >>> On Tue, Jun 7, 2016 at 6:27 PM, Leizhen (ThunderTown) >>> wrote: On 2016/6/7 16:31, Ganapatrao Kulkarni wrote:

Re: [PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES

2016-06-07 Thread Ganapatrao Kulkarni
On Wed, Jun 8, 2016 at 7:46 AM, Leizhen (ThunderTown) wrote: > > > On 2016/6/7 22:01, Ganapatrao Kulkarni wrote: >> On Tue, Jun 7, 2016 at 6:27 PM, Leizhen (ThunderTown) >> wrote: >>> >>> >>> On 2016/6/7 16:31, Ganapatrao Kulkarni wrote: On Tue, Jun 7, 2016 at 1:38 PM, Zhen Lei wrote:

Re: [PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES

2016-06-07 Thread Leizhen (ThunderTown)
On 2016/6/7 22:01, Ganapatrao Kulkarni wrote: > On Tue, Jun 7, 2016 at 6:27 PM, Leizhen (ThunderTown) > wrote: >> >> >> On 2016/6/7 16:31, Ganapatrao Kulkarni wrote: >>> On Tue, Jun 7, 2016 at 1:38 PM, Zhen Lei wrote: Some numa nodes may have no memory. For example: 1. cpu0 on node0 >

Re: [PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES

2016-06-07 Thread Ganapatrao Kulkarni
On Tue, Jun 7, 2016 at 6:27 PM, Leizhen (ThunderTown) wrote: > > > On 2016/6/7 16:31, Ganapatrao Kulkarni wrote: >> On Tue, Jun 7, 2016 at 1:38 PM, Zhen Lei wrote: >>> Some numa nodes may have no memory. For example: >>> 1. cpu0 on node0 >>> 2. cpu1 on node1 >>> 3. device0 access the momory from

Re: [PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES

2016-06-07 Thread Leizhen (ThunderTown)
On 2016/6/7 16:31, Ganapatrao Kulkarni wrote: > On Tue, Jun 7, 2016 at 1:38 PM, Zhen Lei wrote: >> Some numa nodes may have no memory. For example: >> 1. cpu0 on node0 >> 2. cpu1 on node1 >> 3. device0 access the momory from node0 and node1 take the same time. > > i am wondering, if access to b

Re: [PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES

2016-06-07 Thread Ganapatrao Kulkarni
On Tue, Jun 7, 2016 at 1:38 PM, Zhen Lei wrote: > Some numa nodes may have no memory. For example: > 1. cpu0 on node0 > 2. cpu1 on node1 > 3. device0 access the momory from node0 and node1 take the same time. i am wondering, if access to both nodes is same, then why you need numa. the example you

[PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES

2016-06-07 Thread Zhen Lei
Some numa nodes may have no memory. For example: 1. cpu0 on node0 2. cpu1 on node1 3. device0 access the momory from node0 and node1 take the same time. So, we can not simply classify device0 to node0 or node1, but we can define a node2 which distances to node0 and node1 are the same. Signed-off-