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Commit ce8420bb authored by Helge Deller's avatar Helge Deller Committed by Kyle McMartin
Browse files

[PARISC] Show more memory information and memory layout at bootup 



Signed-off-by: default avatarHelge Deller <deller@gmx.de>
Signed-off-by: default avatarKyle McMartin <kyle@parisc-linux.org>
parent 58554927

arch/parisc/mm/init.c

+47 −1
Original line number Diff line number Diff line
@@ -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;