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Commit 8585b316 authored by Max Filippov's avatar Max Filippov
Browse files

xtensa: dump sysmem from the bootmem_init 



Debug dump of physical memory configuration. Useful for inspection of
resulting memory map, esp. in the presence of memmap= kernel option.

Signed-off-by: default avatarMax Filippov <jcmvbkbc@gmail.com>
parent 06bd2824

arch/xtensa/mm/init.c

+12 −0
Original line number Diff line number Diff line
@@ -32,6 +32,17 @@ 


struct sysmem_info sysmem __initdata;



static void __init sysmem_dump(void)

{

	unsigned i;



	pr_debug("Sysmem:\n");

	for (i = 0; i < sysmem.nr_banks; ++i)

		pr_debug("  0x%08lx - 0x%08lx (%ldK)\n",

			 sysmem.bank[i].start, sysmem.bank[i].end,

			 (sysmem.bank[i].end - sysmem.bank[i].start) >> 10);

}



/*

 * Find bank with maximal .start such that bank.start <= start

 */
@@ -227,6 +238,7 @@ void __init bootmem_init(void) 
	unsigned long bootmap_start, bootmap_size;

	int i;



	sysmem_dump();

	max_low_pfn = max_pfn = 0;

	min_low_pfn = ~0;