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| author | Michal Simek <monstr@monstr.eu> | 2011-12-19 13:47:03 +0100 |
|---|---|---|
| committer | Michal Simek <monstr@monstr.eu> | 2012-03-23 09:28:12 +0100 |
| commit | 832997990ab912ab8ed4ade08cb6ac5f471efa1e (patch) | |
| tree | a24791d5132be378c710383802982c1f404e6d54 /arch/microblaze | |
| parent | 419387612c03fce2ca6d5a3d6aac3dae42069264 (diff) | |
| download | linux-next-832997990ab912ab8ed4ade08cb6ac5f471efa1e.tar.gz | |
microblaze: Show more detailed information about memory
Microblaze MMU is similar to ppc that's why ppc layout
was reused.
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/mm/init.c | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index af87fd71a83e..cbcdf24b1c89 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -206,14 +206,50 @@ void free_initmem(void) void __init mem_init(void) { + pg_data_t *pgdat; + unsigned long reservedpages = 0, codesize, initsize, datasize, bsssize; + high_memory = (void *)__va(memory_start + lowmem_size - 1); /* this will put all memory onto the freelists */ totalram_pages += free_all_bootmem(); - printk(KERN_INFO "Memory: %luk/%luk available\n", - nr_free_pages() << (PAGE_SHIFT-10), - num_physpages << (PAGE_SHIFT-10)); + for_each_online_pgdat(pgdat) { + unsigned long i; + struct page *page; + + for (i = 0; i < pgdat->node_spanned_pages; i++) { + if (!pfn_valid(pgdat->node_start_pfn + i)) + continue; + page = pgdat_page_nr(pgdat, i); + if (PageReserved(page)) + reservedpages++; + } + } + + codesize = (unsigned long)&_sdata - (unsigned long)&_stext; + datasize = (unsigned long)&_edata - (unsigned long)&_sdata; + initsize = (unsigned long)&__init_end - (unsigned long)&__init_begin; + bsssize = (unsigned long)&__bss_stop - (unsigned long)&__bss_start; + + pr_info("Memory: %luk/%luk available (%luk kernel code, " + "%luk reserved, %luk data, %luk bss, %luk init)\n", + nr_free_pages() << (PAGE_SHIFT-10), + num_physpages << (PAGE_SHIFT-10), + codesize >> 10, + reservedpages << (PAGE_SHIFT-10), + datasize >> 10, + bsssize >> 10, + initsize >> 10); + +#ifdef CONFIG_MMU + pr_info("Kernel virtual memory layout:\n"); + pr_info(" * 0x%08lx..0x%08lx : fixmap\n", FIXADDR_START, FIXADDR_TOP); + pr_info(" * 0x%08lx..0x%08lx : early ioremap\n", + ioremap_bot, ioremap_base); + pr_info(" * 0x%08lx..0x%08lx : vmalloc & ioremap\n", + (unsigned long)VMALLOC_START, VMALLOC_END); +#endif mem_init_done = 1; } |