Re: vmemmap_verify() BUGs during memory hotplug (4.2-rc1 regression)

2015-07-28 Thread David Vrabel
On 27/07/15 16:41, Mel Gorman wrote: > On Mon, Jul 27, 2015 at 04:32:45PM +0100, David Vrabel wrote: >> Mel, >> >> As of commit 8a942fdea560d4ac0e9d9fabcd5201ad20e0c382 (mm: meminit: make >> __early_pfn_to_nid SMP-safe and introduce meminit_pfn_in_nid) >> vmemmap_verify() will BUG_ON() during

Re: vmemmap_verify() BUGs during memory hotplug (4.2-rc1 regression)

2015-07-28 Thread David Vrabel
On 27/07/15 16:41, Mel Gorman wrote: On Mon, Jul 27, 2015 at 04:32:45PM +0100, David Vrabel wrote: Mel, As of commit 8a942fdea560d4ac0e9d9fabcd5201ad20e0c382 (mm: meminit: make __early_pfn_to_nid SMP-safe and introduce meminit_pfn_in_nid) vmemmap_verify() will BUG_ON() during memory hotplug

Re: vmemmap_verify() BUGs during memory hotplug (4.2-rc1 regression)

2015-07-27 Thread Mel Gorman
On Mon, Jul 27, 2015 at 04:32:45PM +0100, David Vrabel wrote: > Mel, > > As of commit 8a942fdea560d4ac0e9d9fabcd5201ad20e0c382 (mm: meminit: make > __early_pfn_to_nid SMP-safe and introduce meminit_pfn_in_nid) > vmemmap_verify() will BUG_ON() during memory hotplug because of its use > of

vmemmap_verify() BUGs during memory hotplug (4.2-rc1 regression)

2015-07-27 Thread David Vrabel
Mel, As of commit 8a942fdea560d4ac0e9d9fabcd5201ad20e0c382 (mm: meminit: make __early_pfn_to_nid SMP-safe and introduce meminit_pfn_in_nid) vmemmap_verify() will BUG_ON() during memory hotplug because of its use of early_pfn_to_nid(). Previously, it would have reported bogus (or failed to report

Re: vmemmap_verify() BUGs during memory hotplug (4.2-rc1 regression)

2015-07-27 Thread Mel Gorman
On Mon, Jul 27, 2015 at 04:32:45PM +0100, David Vrabel wrote: Mel, As of commit 8a942fdea560d4ac0e9d9fabcd5201ad20e0c382 (mm: meminit: make __early_pfn_to_nid SMP-safe and introduce meminit_pfn_in_nid) vmemmap_verify() will BUG_ON() during memory hotplug because of its use of

vmemmap_verify() BUGs during memory hotplug (4.2-rc1 regression)

2015-07-27 Thread David Vrabel
Mel, As of commit 8a942fdea560d4ac0e9d9fabcd5201ad20e0c382 (mm: meminit: make __early_pfn_to_nid SMP-safe and introduce meminit_pfn_in_nid) vmemmap_verify() will BUG_ON() during memory hotplug because of its use of early_pfn_to_nid(). Previously, it would have reported bogus (or failed to report