Re: [RFC] powerpc/hugetlb: Add warning message when gpage allocation request fails

2015-09-14 Thread Anshuman Khandual
On 09/14/2015 09:54 PM, Nishanth Aravamudan wrote: > On 14.09.2015 [18:59:25 +0530], Aneesh Kumar K.V wrote: >> > Anshuman Khandual writes: >> > >>> > > When a 16GB huge page is requested on POWER platform through kernel >>> > > command >>> > > line interface, it silently fails because of the la

Re: [RFC] powerpc/hugetlb: Add warning message when gpage allocation request fails

2015-09-14 Thread Michael Ellerman
On Mon, 2015-09-14 at 09:24 -0700, Nishanth Aravamudan wrote: > On 14.09.2015 [18:59:25 +0530], Aneesh Kumar K.V wrote: > > Anshuman Khandual writes: > > > > > When a 16GB huge page is requested on POWER platform through kernel > > > command > > > line interface, it silently fails because of the

Re: [RFC] powerpc/hugetlb: Add warning message when gpage allocation request fails

2015-09-14 Thread Nishanth Aravamudan
On 14.09.2015 [18:59:25 +0530], Aneesh Kumar K.V wrote: > Anshuman Khandual writes: > > > When a 16GB huge page is requested on POWER platform through kernel command > > line interface, it silently fails because of the lack of any gigantic pages > > on the system which the platform should have co

Re: [RFC] powerpc/hugetlb: Add warning message when gpage allocation request fails

2015-09-14 Thread Aneesh Kumar K.V
Anshuman Khandual writes: > When a 16GB huge page is requested on POWER platform through kernel command > line interface, it silently fails because of the lack of any gigantic pages > on the system which the platform should have communicated through 16GB memory > blocks in the device tree during

[RFC] powerpc/hugetlb: Add warning message when gpage allocation request fails

2015-09-13 Thread Anshuman Khandual
When a 16GB huge page is requested on POWER platform through kernel command line interface, it silently fails because of the lack of any gigantic pages on the system which the platform should have communicated through 16GB memory blocks in the device tree during boot time. For example [0.48094