diff options
Diffstat (limited to 'arch/s390/include/asm/setup.h')
| -rw-r--r-- | arch/s390/include/asm/setup.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 534f212753d6..7b104f156e34 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -94,6 +94,9 @@ extern unsigned long vmalloc_size; extern unsigned long max_physmem_end; extern unsigned long __swsusp_reset_dma; +/* The Write Back bit position in the physaddr is given by the SLPC PCI */ +extern unsigned long mio_wb_bit_mask; + #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) #define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR) |