diff options
Diffstat (limited to 'tools/testing/selftests/mm/virtual_address_range.c')
| -rw-r--r-- | tools/testing/selftests/mm/virtual_address_range.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/tools/testing/selftests/mm/virtual_address_range.c b/tools/testing/selftests/mm/virtual_address_range.c index 169dbd692bf5..81b33d8f78f4 100644 --- a/tools/testing/selftests/mm/virtual_address_range.c +++ b/tools/testing/selftests/mm/virtual_address_range.c @@ -44,12 +44,18 @@ * On Arm64 the address space is 256TB and support for * high mappings up to 4PB virtual address space has * been added. + * + * On PowerPC64, the address space up to 128TB can be + * mapped without a hint. Addresses beyond 128TB, up to + * 4PB, can be mapped with a hint. + * */ #define NR_CHUNKS_128TB ((128 * SZ_1TB) / MAP_CHUNK_SIZE) /* Number of chunks for 128TB */ #define NR_CHUNKS_256TB (NR_CHUNKS_128TB * 2UL) #define NR_CHUNKS_384TB (NR_CHUNKS_128TB * 3UL) #define NR_CHUNKS_3840TB (NR_CHUNKS_128TB * 30UL) +#define NR_CHUNKS_3968TB (NR_CHUNKS_128TB * 31UL) #define ADDR_MARK_128TB (1UL << 47) /* First address beyond 128TB */ #define ADDR_MARK_256TB (1UL << 48) /* First address beyond 256TB */ @@ -59,6 +65,11 @@ #define HIGH_ADDR_SHIFT 49 #define NR_CHUNKS_LOW NR_CHUNKS_256TB #define NR_CHUNKS_HIGH NR_CHUNKS_3840TB +#elif defined(__PPC64__) +#define HIGH_ADDR_MARK ADDR_MARK_128TB +#define HIGH_ADDR_SHIFT 48 +#define NR_CHUNKS_LOW NR_CHUNKS_128TB +#define NR_CHUNKS_HIGH NR_CHUNKS_3968TB #else #define HIGH_ADDR_MARK ADDR_MARK_128TB #define HIGH_ADDR_SHIFT 48 @@ -227,7 +238,7 @@ int main(int argc, char *argv[]) if (hptr[i] == MAP_FAILED) break; - mark_range(ptr[i], MAP_CHUNK_SIZE); + mark_range(hptr[i], MAP_CHUNK_SIZE); validate_addr(hptr[i], 1); } hchunks = i; |