void __init mem_init(void)
{
int i;
#ifndef __tilegx__
void *last;
#endif
#ifdef CONFIG_FLATMEM
BUG_ON(!mem_map);
#endif
#ifdef CONFIG_HIGHMEM
/* check that fixmap and pkmap do not overlap */
if (PKMAP_ADDR(LAST_PKMAP-1) >= FIXADDR_START) {
pr_err("fixmap and kmap areas overlap - this will crash\n");
pr_err("pkstart: %lxh pkend: %lxh fixstart %lxh\n",
PKMAP_BASE, PKMAP_ADDR(LAST_PKMAP-1), FIXADDR_START);
BUG();
}
#endif
set_max_mapnr_init();
/* this will put all bootmem onto the freelists */
free_all_bootmem();
#ifndef CONFIG_64BIT
/* count all remaining LOWMEM and give all HIGHMEM to page allocator */
set_non_bootmem_pages_init();
#endif
mem_init_print_info(NULL);
/*
* In debug mode, dump some interesting memory mappings.
*/
#ifdef CONFIG_HIGHMEM
printk(KERN_DEBUG " KMAP %#lx - %#lx\n",
FIXADDR_START, FIXADDR_TOP + PAGE_SIZE - 1);
printk(KERN_DEBUG " PKMAP %#lx - %#lx\n",
PKMAP_BASE, PKMAP_ADDR(LAST_PKMAP) - 1);
#endif
printk(KERN_DEBUG " VMALLOC %#lx - %#lx\n",
_VMALLOC_START, _VMALLOC_END - 1);
#ifdef __tilegx__
for (i = MAX_NUMNODES-1; i >= 0; --i) {
struct pglist_data *node = &node_data[i];
if (node->node_present_pages) {
unsigned long start = (unsigned long)
pfn_to_kaddr(node->node_start_pfn);
unsigned long end = start +
(node->node_present_pages << PAGE_SHIFT);
printk(KERN_DEBUG " MEM%d %#lx - %#lx\n",
i, start, end - 1);
}
}
#else
last =
void __init mem_init(void)
{
int codesize, datasize, initsize;
int i;
#ifndef __tilegx__
void *last;
#endif
#ifdef CONFIG_FLATMEM
BUG_ON(!mem_map);
#endif
#ifdef CONFIG_HIGHMEM
/* check that fixmap and pkmap do not overlap */
if (PKMAP_ADDR(LAST_PKMAP-1) >= FIXADDR_START) {
pr_err("fixmap and kmap areas overlap"
" - this will crash\n");
pr_err("pkstart: %lxh pkend: %lxh fixstart %lxh\n",
PKMAP_BASE, PKMAP_ADDR(LAST_PKMAP-1),
FIXADDR_START);
BUG();
}
#endif
set_max_mapnr_init();
/* this will put all bootmem onto the freelists */
totalram_pages += free_all_bootmem();
#ifndef CONFIG_64BIT
/* count all remaining LOWMEM and give all HIGHMEM to page allocator */
set_non_bootmem_pages_init();
#endif
codesize = (unsigned long)&_etext - (unsigned long)&_text;
datasize = (unsigned long)&_end - (unsigned long)&_sdata;
initsize = (unsigned long)&_einittext - (unsigned long)&_sinittext;
initsize += (unsigned long)&_einitdata - (unsigned long)&_sinitdata;
pr_info("Memory: %luk/%luk available (%dk kernel code, %dk data, %dk init, %ldk highmem)\n",
(unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
num_physpages << (PAGE_SHIFT-10),
codesize >> 10,
datasize >> 10,
initsize >> 10,
(unsigned long) (totalhigh_pages << (PAGE_SHIFT-10))
);
/*
* In debug mode, dump some interesting memory mappings.
*/
#ifdef CONFIG_HIGHMEM
printk(KERN_DEBUG " KMAP %#lx - %#lx\n",
FIXADDR_START, FIXADDR_TOP + PAGE_SIZE - 1);
printk(KERN_DEBUG " PKMAP %#lx - %#lx\n",
PKMAP_BASE, PKMAP_ADDR(LAST_PKMAP) - 1);
#endif
#ifdef CONFIG_HUGEVMAP
printk(KERN_DEBUG " HUGEMAP %#lx - %#lx\n",
HUGE_VMAP_BASE, HUGE_VMAP_END - 1);
#endif
printk(KERN_DEBUG " VMALLOC %#lx - %#lx\n",
_VMALLOC_START, _VMALLOC_END - 1);
#ifdef __tilegx__
for (i = MAX_NUMNODES-1; i >= 0; --i) {
struct pglist_data *node = &node_data[i];
if (node->node_present_pages) {
unsigned long start = (unsigned long)
pfn_to_kaddr(node->node_start_pfn);
unsigned long end = start +
(node->node_present_pages << PAGE_SHIFT);
printk(KERN_DEBUG " MEM%d %#lx - %#lx\n",
i, start, end - 1);
}
}
#else
last = high_memory;
for (i = MAX_NUMNODES-1; i >= 0; --i) {
if ((unsigned long)vbase_map[i] != -1UL) {
printk(KERN_DEBUG " LOWMEM%d %#lx - %#lx\n",
i, (unsigned long) (vbase_map[i]),
(unsigned long) (last-1));
last = vbase_map[i];
}
}
#endif
#ifndef __tilegx__
/*
* Convert from using one lock for all atomic operations to
* one per cpu.
*/
__init_atomic_per_cpu();
#endif
}
