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>
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index d70ba93..03bd025 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 @@
unsigned long bootmap_start, bootmap_size;
int i;
+ sysmem_dump();
max_low_pfn = max_pfn = 0;
min_low_pfn = ~0;