diff options
| author | Vasily Gorbik <gor@linux.ibm.com> | 2018-09-24 15:27:30 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-10-09 11:21:13 +0200 |
| commit | f01b8bca088a6fae82fe55cfc95ca9c2096126e8 (patch) | |
| tree | c525bd5e96be9d8a77db2a05a469929be1cb9017 /arch/s390/kernel/setup.c | |
| parent | 54c57795e848100a2502b7a39b12b784292f4576 (diff) | |
s390/mem_detect: add info source debug print
Print mem_detect info source when memblock=debug is specified.
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/setup.c')
| -rw-r--r-- | arch/s390/kernel/setup.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index fdf9bd964dee..36fb37d7a36c 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -748,11 +748,28 @@ static void __init memblock_physmem_add(phys_addr_t start, phys_addr_t size) memblock_add_range(&memblock.physmem, start, size, 0, 0); } +static const char * __init get_mem_info_source(void) +{ + switch (mem_detect.info_source) { + case MEM_DETECT_SCLP_STOR_INFO: + return "sclp storage info"; + case MEM_DETECT_DIAG260: + return "diag260"; + case MEM_DETECT_SCLP_READ_INFO: + return "sclp read info"; + case MEM_DETECT_BIN_SEARCH: + return "binary search"; + } + return "none"; +} + static void __init memblock_add_mem_detect_info(void) { unsigned long start, end; int i; + memblock_dbg("physmem info source: %s (%hhd)\n", + get_mem_info_source(), mem_detect.info_source); /* keep memblock lists close to the kernel */ memblock_set_bottom_up(true); for_each_mem_detect_block(i, &start, &end) |