[PATCH 12/21] MIPS memblock: Add memblock print outs in debug
From: Serge Semin <hidden>
Date: 2016-12-19 02:09:06
Also in:
linux-mips, lkml
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, Linus Torvalds
When debugging it is useful to have a list of all memory regions added and reserved in the system. Ones are printed right from memblock if memblock_debug is enabled. Signed-off-by: Serge Semin <redacted> --- arch/mips/kernel/setup.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index d2f410d..409d23d 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c@@ -200,11 +200,16 @@ void __init detect_memory_region(phys_addr_t start, phys_addr_t sz_min, phys_add add_memory_region(start, size, BOOT_MEM_RAM); } +/* + * Print declared memory layout + */ static void __init print_memory_map(void) { int i; const int field = 2 * sizeof(unsigned long); + /* Print the added memory map */ + pr_info("Determined physical RAM map:\n"); for (i = 0; i < boot_mem_map.nr_map; i++) { printk(KERN_INFO " memory: %0*Lx @ %0*Lx ", field, (unsigned long long) boot_mem_map.map[i].size,
@@ -228,6 +233,9 @@ static void __init print_memory_map(void) break; } } + + /* Print memblocks if memblock_debug is set */ + memblock_dump_all(); } /*
@@ -795,11 +803,11 @@ static void __init arch_mem_init(char **cmdline_p) /* Sanity check the specified memory */ sanity_check_meminfo(); - pr_info("Determined physical RAM map:\n"); - print_memory_map(); - bootmem_init(); + /* Print memory map initialized by arch-specific code and params */ + print_memory_map(); + device_tree_init(); sparse_init(); plat_swiotlb_setup();
--
2.6.6