Re: [PATCHv2] x86: fix the initialization of physnode_map

2014-02-01 Thread David Rientjes
On Sat, 1 Feb 2014, Petr Tesarik wrote: > With DISCONTIGMEM, the mapping between a pfn and its owning node is > initialized using data provided by the BIOS. However, the initialization > may fail if the extents are not aligned to section boundary (64M). > > The symptom of this bug is an early boo

[PATCHv2] x86: fix the initialization of physnode_map

2014-02-01 Thread Petr Tesarik
With DISCONTIGMEM, the mapping between a pfn and its owning node is initialized using data provided by the BIOS. However, the initialization may fail if the extents are not aligned to section boundary (64M). The symptom of this bug is an early boot failure in pfn_to_page(), as it tries to access N