Re: [PATCH 1/2] mm: Change generic FALLBACK zonelist creation process

2017-03-14 Thread John Hubbard
On 03/14/2017 06:33 AM, Anshuman Khandual wrote: On 03/08/2017 04:37 PM, John Hubbard wrote: [...] There was a discussion, on an earlier version of this patchset, in which someone pointed out that a slight over-allocation on a device that has much more memory than the CPU has, could use up

Re: [PATCH 1/2] mm: Change generic FALLBACK zonelist creation process

2017-03-14 Thread John Hubbard
On 03/14/2017 06:33 AM, Anshuman Khandual wrote: On 03/08/2017 04:37 PM, John Hubbard wrote: [...] There was a discussion, on an earlier version of this patchset, in which someone pointed out that a slight over-allocation on a device that has much more memory than the CPU has, could use up

Re: [PATCH 1/2] mm: Change generic FALLBACK zonelist creation process

2017-03-14 Thread Anshuman Khandual
On 03/08/2017 04:37 PM, John Hubbard wrote: > On 03/08/2017 01:21 AM, Anshuman Khandual wrote: >> Kernel allocation to CDM node has already been prevented by putting it's >> entire memory in ZONE_MOVABLE. But the CDM nodes must also be isolated >> from implicit allocations happening on the system.

Re: [PATCH 1/2] mm: Change generic FALLBACK zonelist creation process

2017-03-14 Thread Anshuman Khandual
On 03/08/2017 04:37 PM, John Hubbard wrote: > On 03/08/2017 01:21 AM, Anshuman Khandual wrote: >> Kernel allocation to CDM node has already been prevented by putting it's >> entire memory in ZONE_MOVABLE. But the CDM nodes must also be isolated >> from implicit allocations happening on the system.

[PATCH 1/2] mm: Change generic FALLBACK zonelist creation process

2017-03-08 Thread Anshuman Khandual
Kernel allocation to CDM node has already been prevented by putting it's entire memory in ZONE_MOVABLE. But the CDM nodes must also be isolated from implicit allocations happening on the system. Any isolation seeking CDM node requires isolation from implicit memory allocations from user space but

[PATCH 1/2] mm: Change generic FALLBACK zonelist creation process

2017-03-08 Thread Anshuman Khandual
Kernel allocation to CDM node has already been prevented by putting it's entire memory in ZONE_MOVABLE. But the CDM nodes must also be isolated from implicit allocations happening on the system. Any isolation seeking CDM node requires isolation from implicit memory allocations from user space but

Re: [PATCH 1/2] mm: Change generic FALLBACK zonelist creation process

2017-03-08 Thread John Hubbard
On 03/08/2017 01:21 AM, Anshuman Khandual wrote: Kernel allocation to CDM node has already been prevented by putting it's entire memory in ZONE_MOVABLE. But the CDM nodes must also be isolated from implicit allocations happening on the system. Any isolation seeking CDM node requires isolation

Re: [PATCH 1/2] mm: Change generic FALLBACK zonelist creation process

2017-03-08 Thread John Hubbard
On 03/08/2017 01:21 AM, Anshuman Khandual wrote: Kernel allocation to CDM node has already been prevented by putting it's entire memory in ZONE_MOVABLE. But the CDM nodes must also be isolated from implicit allocations happening on the system. Any isolation seeking CDM node requires isolation