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Commit f01b8bca authored by Vasily Gorbik's avatar Vasily Gorbik Committed by Martin Schwidefsky
Browse files

s390/mem_detect: add info source debug print 



Print mem_detect info source when memblock=debug is specified.

Reviewed-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 54c57795

arch/s390/kernel/setup.c

+17 −0
Original line number Diff line number Diff line
@@ -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)