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update ar7 to 2.6.22.1 (thanks to Matteo Croce for his great help)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8189 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nico
2007-07-27 03:07:52 +00:00
parent 8bf289d5fd
commit 38d9c42391
20 changed files with 109 additions and 707 deletions
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119
target/linux/ar7-2.6/files/arch/mips/ar7/memory.c
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@@ -60,132 +60,13 @@ static int __init memsize(void)
return size;
}
#ifdef CONFIG_NEED_MULTIPLE_NODES
static bootmem_data_t node_bootmem_data;
pg_data_t __node_data[1] = {
{
.bdata = &node_bootmem_data
},
};
EXPORT_SYMBOL(__node_data);
unsigned long max_mapnr;
struct page *mem_map;
EXPORT_SYMBOL(max_mapnr);
EXPORT_SYMBOL(mem_map);
static unsigned long setup_zero_pages(void)
{
unsigned int order = 3;
unsigned long size;
struct page *page;
empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order);
if (!empty_zero_page)
panic("Oh boy, that early out of memory?");
page = virt_to_page(empty_zero_page);
split_page(page, order);
while (page < virt_to_page(empty_zero_page + (PAGE_SIZE << order))) {
SetPageReserved(page);
page++;
}
size = PAGE_SIZE << order;
zero_page_mask = (size - 1) & PAGE_MASK;
return 1UL << order;
}
extern void pagetable_init(void);
void __init paging_init(void)
{
unsigned long zones_size[MAX_NR_ZONES] = { 0, };
pagetable_init();
zones_size[ZONE_DMA] = max_low_pfn - min_low_pfn;
free_area_init_node(0, NODE_DATA(0), zones_size, ARCH_PFN_OFFSET, NULL);
}
static struct kcore_list kcore_mem, kcore_vmalloc;
void __init mem_init(void)
{
unsigned long codesize, reservedpages, datasize, initsize;
unsigned long tmp, ram;
unsigned long kernel_start, kernel_end;
kernel_start = PFN_DOWN(CPHYSADDR((unsigned long)&_text));
kernel_end = PFN_UP(CPHYSADDR((unsigned long)&_end));
for (tmp = min_low_pfn + 1; tmp < kernel_start; tmp++) {
ClearPageReserved(pfn_to_page(tmp));
init_page_count(pfn_to_page(tmp));
free_page((unsigned long)__va(tmp << PAGE_SHIFT));
}
totalram_pages += free_all_bootmem();
totalram_pages -= setup_zero_pages(); /* Setup zeroed pages. */
reservedpages = ram = 0;
for (tmp = min_low_pfn; tmp <= max_low_pfn; tmp++) {
ram++;
if (PageReserved(pfn_to_page(tmp)))
if ((tmp < kernel_start) || (tmp > kernel_end))
reservedpages++;
}
num_physpages = ram;
codesize = (unsigned long) &_etext - (unsigned long) &_text;
datasize = (unsigned long) &_edata - (unsigned long) &_etext;
initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
kclist_add(&kcore_mem, __va(min_low_pfn),
(max_low_pfn - min_low_pfn) << PAGE_SHIFT);
kclist_add(&kcore_vmalloc, (void *)VMALLOC_START,
VMALLOC_END - VMALLOC_START);
printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
"%ldk reserved, %ldk data, %ldk init)\n",
(unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
ram << (PAGE_SHIFT-10),
codesize >> 10,
reservedpages << (PAGE_SHIFT-10),
datasize >> 10,
initsize >> 10);
}
#endif
void __init prom_meminit(void)
{
unsigned long pages;
#ifdef CONFIG_NEED_MULTIPLE_NODES
unsigned long kernel_start, kernel_end;
unsigned long free_pages;
unsigned long bootmap_size;
#endif
pages = memsize() >> PAGE_SHIFT;
add_memory_region(ARCH_PFN_OFFSET << PAGE_SHIFT, pages <<
PAGE_SHIFT, BOOT_MEM_RAM);
#ifdef CONFIG_NEED_MULTIPLE_NODES
kernel_start = PFN_DOWN(CPHYSADDR((unsigned long)&_text));
kernel_end = PFN_UP(CPHYSADDR((unsigned long)&_end));
min_low_pfn = ARCH_PFN_OFFSET;
max_low_pfn = ARCH_PFN_OFFSET + pages;
max_mapnr = max_low_pfn;
free_pages = pages - (kernel_end - min_low_pfn);
bootmap_size = init_bootmem_node(NODE_DATA(0), kernel_end,
ARCH_PFN_OFFSET, max_low_pfn);
free_bootmem(PFN_PHYS(kernel_end), free_pages << PAGE_SHIFT);
memory_present(0, min_low_pfn, max_low_pfn);
reserve_bootmem(PFN_PHYS(kernel_end), bootmap_size);
mem_map = NODE_DATA(0)->node_mem_map;
#endif
}
void __init prom_free_prom_memory(void)