[PATCH 2/5] mm/resource: move HMM pr_debug() deeper into resource code

2019-02-25 Thread Dave Hansen
From: Dave Hansen HMM consumes physical address space for its own use, even though nothing is mapped or accessible there. It uses a special resource description (IORES_DESC_DEVICE_PRIVATE_MEMORY) to uniquely identify these areas. When HMM consumes address space, it makes a best guess about wh

Re: [PATCH 2/5] mm/resource: move HMM pr_debug() deeper into resource code

2019-01-28 Thread Michael Ellerman
Dave Hansen writes: > On 1/25/19 1:18 PM, Bjorn Helgaas wrote: >> On Thu, Jan 24, 2019 at 5:21 PM Dave Hansen >> wrote: >>> diff -puN kernel/resource.c~move-request_region-check kernel/resource.c >>> --- a/kernel/resource.c~move-request_region-check 2019-01-24 >>> 15:13:14.453199539 -0800

Re: [PATCH 2/5] mm/resource: move HMM pr_debug() deeper into resource code

2019-01-25 Thread Dave Hansen
On 1/25/19 1:18 PM, Bjorn Helgaas wrote: > On Thu, Jan 24, 2019 at 5:21 PM Dave Hansen > wrote: >> diff -puN kernel/resource.c~move-request_region-check kernel/resource.c >> --- a/kernel/resource.c~move-request_region-check 2019-01-24 >> 15:13:14.453199539 -0800 >> +++ b/kernel/resource.c

Re: [PATCH 2/5] mm/resource: move HMM pr_debug() deeper into resource code

2019-01-25 Thread Bjorn Helgaas
On Thu, Jan 24, 2019 at 5:21 PM Dave Hansen wrote: > > > From: Dave Hansen > > HMM consumes physical address space for its own use, even > though nothing is mapped or accessible there. It uses a > special resource description (IORES_DESC_DEVICE_PRIVATE_MEMORY) > to uniquely identify these areas.

Re: [PATCH 2/5] mm/resource: move HMM pr_debug() deeper into resource code

2019-01-25 Thread Jerome Glisse
On Thu, Jan 24, 2019 at 03:14:44PM -0800, Dave Hansen wrote: > > From: Dave Hansen > > HMM consumes physical address space for its own use, even > though nothing is mapped or accessible there. It uses a > special resource description (IORES_DESC_DEVICE_PRIVATE_MEMORY) > to uniquely identify the

[PATCH 2/5] mm/resource: move HMM pr_debug() deeper into resource code

2019-01-24 Thread Dave Hansen
From: Dave Hansen HMM consumes physical address space for its own use, even though nothing is mapped or accessible there. It uses a special resource description (IORES_DESC_DEVICE_PRIVATE_MEMORY) to uniquely identify these areas. When HMM consumes address space, it makes a best guess about wh