Re: [PATCH v2] arch/ia64: Restore arch-specific pgd_offset_k implementation

2020-08-11 Thread Mike Rapoport
On Tue, Aug 11, 2020 at 07:24:57PM +0100, Jessica Clarke wrote: > IA-64 is special and treats pgd_offset_k differently from pgd_offset by > not including the region number, and init_mm's PGD is such that it only > points to the kernel's region's PGD. This was broken in 974b9b2c68 which > unified th

[PATCH v2] arch/ia64: Restore arch-specific pgd_offset_k implementation

2020-08-11 Thread Jessica Clarke
IA-64 is special and treats pgd_offset_k differently from pgd_offset by not including the region number, and init_mm's PGD is such that it only points to the kernel's region's PGD. This was broken in 974b9b2c68 which unified the two and therefore included the region number, causing it to go way out