diff options
| author | Helge Deller <deller@gmx.de> | 2006-10-15 00:10:44 +0400 |
|---|---|---|
| committer | Kyle McMartin <kyle@ubuntu.com> | 2006-12-08 08:33:55 +0300 |
| commit | ce8420bb65d25335c3b48ddfb1b5a244f53bfb75 (patch) | |
| tree | 41e9bcca2bc071769494bdafebea0783a6dd9ae9 /arch/parisc | |
| parent | 58554927f85616c374795fbddcf0607a3faa7c46 (diff) | |
| download | linux-ce8420bb65d25335c3b48ddfb1b5a244f53bfb75.tar.xz | |
[PARISC] Show more memory information and memory layout at bootup
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/mm/init.c | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 0667f2b4f977..d9e4ab545b38 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -24,6 +24,7 @@ #include <linux/pagemap.h> /* for release_pages and page_cache_release */ #include <asm/pgalloc.h> +#include <asm/pgtable.h> #include <asm/tlb.h> #include <asm/pdc_chassis.h> #include <asm/mmzone.h> @@ -453,6 +454,9 @@ unsigned long pcxl_dma_start __read_mostly; void __init mem_init(void) { + int codesize, reservedpages, datasize, initsize; + int tmp; + high_memory = __va((max_pfn << PAGE_SHIFT)); #ifndef CONFIG_DISCONTIGMEM @@ -466,8 +470,17 @@ void __init mem_init(void) totalram_pages += free_all_bootmem_node(NODE_DATA(i)); } #endif + codesize = (unsigned long) &_etext - (unsigned long) &_text; + datasize = (unsigned long) &_edata - (unsigned long) &_etext; + initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - printk(KERN_INFO "Memory: %luk available\n", num_physpages << (PAGE_SHIFT-10)); + reservedpages = 0; + for (tmp = 0; tmp < max_low_pfn; tmp++) + /* + * Only count reserved RAM pages + */ + if (PageReserved(pfn_to_page(tmp))) + reservedpages++; #ifdef CONFIG_PA11 if (hppa_dma_ops == &pcxl_dma_ops) { @@ -481,6 +494,39 @@ void __init mem_init(void) vmalloc_start = SET_MAP_OFFSET(MAP_START); #endif + printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init, %ldk highmem)\n", + (unsigned long) nr_free_pages() << (PAGE_SHIFT-10), + num_physpages << (PAGE_SHIFT-10), + codesize >> 10, + reservedpages << (PAGE_SHIFT-10), + datasize >> 10, + initsize >> 10, + (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)) + ); + +#ifdef CONFIG_DEBUG_KERNEL /* double-sanity-check paranoia */ + printk("virtual kernel memory layout:\n" + " vmalloc : 0x%p - 0x%p (%4ld MB)\n" + " lowmem : 0x%p - 0x%p (%4ld MB)\n" + " .init : 0x%p - 0x%p (%4ld kB)\n" + " .data : 0x%p - 0x%p (%4ld kB)\n" + " .text : 0x%p - 0x%p (%4ld kB)\n", + + (void*)VMALLOC_START, (void*)VMALLOC_END, + (VMALLOC_END - VMALLOC_START) >> 20, + + __va(0), high_memory, + ((unsigned long)high_memory - (unsigned long)__va(0)) >> 20, + + &__init_begin, &__init_end, + ((unsigned long)&__init_end - (unsigned long)&__init_begin) >> 10, + + &_etext, &_edata, + ((unsigned long)&_edata - (unsigned long)&_etext) >> 10, + + &_text, &_etext, + ((unsigned long)&_etext - (unsigned long)&_text) >> 10); +#endif } unsigned long *empty_zero_page __read_mostly; |