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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: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2014-03-23 03:26:46 +04:00
parent 06bd2824f7
commit 8585b316bb
1 changed files with 12 additions and 0 deletions
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12
arch/xtensa/mm/init.c
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@ -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;