When the virtual address range selftest is run on RISC-V platforms, it is observed that using the hint address when calling mmap cannot get the address in the range of that validate_addr() checks, also that will cause '/proc/self/maps' have gaps larger than MAP_CHUNK_SIZE.
Signed-off-by: Chunyan Zhang zhangchunyan@iscas.ac.cn --- tools/testing/selftests/mm/virtual_address_range.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/tools/testing/selftests/mm/virtual_address_range.c b/tools/testing/selftests/mm/virtual_address_range.c index 4e4c1e311247..25f3eb304999 100644 --- a/tools/testing/selftests/mm/virtual_address_range.c +++ b/tools/testing/selftests/mm/virtual_address_range.c @@ -64,6 +64,14 @@ #define NR_CHUNKS_HIGH NR_CHUNKS_384TB #endif
+#if defined(__riscv) && (__riscv_xlen == 64) +static char *hind_addr(void) +{ + return NULL; +} + +static void validate_addr(char *ptr, int high_addr) { } +#else static char *hind_addr(void) { int bits = HIGH_ADDR_SHIFT + rand() % (63 - HIGH_ADDR_SHIFT); @@ -81,6 +89,7 @@ static void validate_addr(char *ptr, int high_addr) if (addr > HIGH_ADDR_MARK) ksft_exit_fail_msg("Bad address %lx\n", addr); } +#endif
static int validate_lower_address_hint(void) {