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| author | Max Filippov <jcmvbkbc@gmail.com> | 2014-03-23 00:26:46 +0100 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2014-04-01 23:35:55 +0200 |
| commit | 8585b316bbed9339412d267c1fd8839dd059d69f (patch) | |
| tree | 2d879b9b44170842d63d8f1455d56d16597184c3 /arch/xtensa/mm | |
| parent | xtensa: handle memmap kernel option (diff) | |
| download | linux-8585b316bbed9339412d267c1fd8839dd059d69f.tar.xz linux-8585b316bbed9339412d267c1fd8839dd059d69f.zip | |
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>
Diffstat (limited to 'arch/xtensa/mm')
| -rw-r--r-- | arch/xtensa/mm/init.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index d70ba9333f44..03bd025307e3 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -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; |