#include <linux/initrd.h>
#include <linux/pagemap.h>
#include <linux/suspend.h>
-#include <linux/lmb.h>
+#include <linux/memblock.h>
#include <linux/hugetlb.h>
#include <asm/pgalloc.h>
return pfn < max_pfn;
#else
unsigned long paddr = (pfn << PAGE_SHIFT);
- int i;
- for (i=0; i < lmb.memory.cnt; i++) {
- unsigned long base;
+ struct memblock_region *reg;
- base = lmb.memory.region[i].base;
-
- if ((paddr >= base) &&
- (paddr < (base + lmb.memory.region[i].size))) {
+ for_each_memblock(memory, reg)
+ if (paddr >= reg->base && paddr < (reg->base + reg->size))
return 1;
- }
- }
-
return 0;
#endif
}
/*
* walk_memory_resource() needs to make sure there is no holes in a given
* memory range. PPC64 does not maintain the memory layout in /proc/iomem.
- * Instead it maintains it in lmb.memory structures. Walk through the
+ * Instead it maintains it in memblock.memory structures. Walk through the
* memory regions, find holes and callback for contiguous regions.
*/
int
walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages,
void *arg, int (*func)(unsigned long, unsigned long, void *))
{
- struct lmb_property res;
- unsigned long pfn, len;
- u64 end;
+ struct memblock_region *reg;
+ unsigned long end_pfn = start_pfn + nr_pages;
+ unsigned long tstart, tend;
int ret = -1;
- res.base = (u64) start_pfn << PAGE_SHIFT;
- res.size = (u64) nr_pages << PAGE_SHIFT;
-
- end = res.base + res.size - 1;
- while ((res.base < end) && (lmb_find(&res) >= 0)) {
- pfn = (unsigned long)(res.base >> PAGE_SHIFT);
- len = (unsigned long)(res.size >> PAGE_SHIFT);
- ret = (*func)(pfn, len, arg);
+ for_each_memblock(memory, reg) {
+ tstart = max(start_pfn, memblock_region_memory_base_pfn(reg));
+ tend = min(end_pfn, memblock_region_memory_end_pfn(reg));
+ if (tstart >= tend)
+ continue;
+ ret = (*func)(tstart, tend - tstart, arg);
if (ret)
break;
- res.base += (res.size + 1);
- res.size = (end - res.base + 1);
}
return ret;
}
#ifndef CONFIG_NEED_MULTIPLE_NODES
void __init do_init_bootmem(void)
{
- unsigned long i;
unsigned long start, bootmap_pages;
unsigned long total_pages;
+ struct memblock_region *reg;
int boot_mapsize;
- max_low_pfn = max_pfn = lmb_end_of_DRAM() >> PAGE_SHIFT;
- total_pages = (lmb_end_of_DRAM() - memstart_addr) >> PAGE_SHIFT;
+ max_low_pfn = max_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT;
+ total_pages = (memblock_end_of_DRAM() - memstart_addr) >> PAGE_SHIFT;
#ifdef CONFIG_HIGHMEM
total_pages = total_lowmem >> PAGE_SHIFT;
max_low_pfn = lowmem_end_addr >> PAGE_SHIFT;
*/
bootmap_pages = bootmem_bootmap_pages(total_pages);
- start = lmb_alloc(bootmap_pages << PAGE_SHIFT, PAGE_SIZE);
+ start = memblock_alloc(bootmap_pages << PAGE_SHIFT, PAGE_SIZE);
min_low_pfn = MEMORY_START >> PAGE_SHIFT;
boot_mapsize = init_bootmem_node(NODE_DATA(0), start >> PAGE_SHIFT, min_low_pfn, max_low_pfn);
/* Add active regions with valid PFNs */
- for (i = 0; i < lmb.memory.cnt; i++) {
+ for_each_memblock(memory, reg) {
unsigned long start_pfn, end_pfn;
- start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT;
- end_pfn = start_pfn + lmb_size_pages(&lmb.memory, i);
+ start_pfn = memblock_region_memory_base_pfn(reg);
+ end_pfn = memblock_region_memory_end_pfn(reg);
add_active_range(0, start_pfn, end_pfn);
}
free_bootmem_with_active_regions(0, lowmem_end_addr >> PAGE_SHIFT);
/* reserve the sections we're already using */
- for (i = 0; i < lmb.reserved.cnt; i++) {
- unsigned long addr = lmb.reserved.region[i].base +
- lmb_size_bytes(&lmb.reserved, i) - 1;
- if (addr < lowmem_end_addr)
- reserve_bootmem(lmb.reserved.region[i].base,
- lmb_size_bytes(&lmb.reserved, i),
- BOOTMEM_DEFAULT);
- else if (lmb.reserved.region[i].base < lowmem_end_addr) {
- unsigned long adjusted_size = lowmem_end_addr -
- lmb.reserved.region[i].base;
- reserve_bootmem(lmb.reserved.region[i].base,
- adjusted_size, BOOTMEM_DEFAULT);
+ for_each_memblock(reserved, reg) {
+ unsigned long top = reg->base + reg->size - 1;
+ if (top < lowmem_end_addr)
+ reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT);
+ else if (reg->base < lowmem_end_addr) {
+ unsigned long trunc_size = lowmem_end_addr - reg->base;
+ reserve_bootmem(reg->base, trunc_size, BOOTMEM_DEFAULT);
}
}
#else
free_bootmem_with_active_regions(0, max_pfn);
/* reserve the sections we're already using */
- for (i = 0; i < lmb.reserved.cnt; i++)
- reserve_bootmem(lmb.reserved.region[i].base,
- lmb_size_bytes(&lmb.reserved, i),
- BOOTMEM_DEFAULT);
-
+ for_each_memblock(reserved, reg)
+ reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT);
#endif
/* XXX need to clip this if using highmem? */
sparse_memory_present_with_active_regions(0);
/* mark pages that don't exist as nosave */
static int __init mark_nonram_nosave(void)
{
- unsigned long lmb_next_region_start_pfn,
- lmb_region_max_pfn;
- int i;
-
- for (i = 0; i < lmb.memory.cnt - 1; i++) {
- lmb_region_max_pfn =
- (lmb.memory.region[i].base >> PAGE_SHIFT) +
- (lmb.memory.region[i].size >> PAGE_SHIFT);
- lmb_next_region_start_pfn =
- lmb.memory.region[i+1].base >> PAGE_SHIFT;
-
- if (lmb_region_max_pfn < lmb_next_region_start_pfn)
- register_nosave_region(lmb_region_max_pfn,
- lmb_next_region_start_pfn);
+ struct memblock_region *reg, *prev = NULL;
+
+ for_each_memblock(memory, reg) {
+ if (prev &&
+ memblock_region_memory_end_pfn(prev) < memblock_region_memory_base_pfn(reg))
+ register_nosave_region(memblock_region_memory_end_pfn(prev),
+ memblock_region_memory_base_pfn(reg));
+ prev = reg;
}
-
return 0;
}
*/
void __init paging_init(void)
{
- unsigned long total_ram = lmb_phys_mem_size();
- phys_addr_t top_of_ram = lmb_end_of_DRAM();
+ unsigned long total_ram = memblock_phys_mem_size();
+ phys_addr_t top_of_ram = memblock_end_of_DRAM();
unsigned long max_zone_pfns[MAX_NR_ZONES];
#ifdef CONFIG_PPC32
swiotlb_init(1);
#endif
- num_physpages = lmb.memory.size >> PAGE_SHIFT;
+ num_physpages = memblock_phys_mem_size() >> PAGE_SHIFT;
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
#ifdef CONFIG_NEED_MULTIPLE_NODES
highmem_mapnr = lowmem_end_addr >> PAGE_SHIFT;
for (pfn = highmem_mapnr; pfn < max_mapnr; ++pfn) {
struct page *page = pfn_to_page(pfn);
- if (lmb_is_reserved(pfn << PAGE_SHIFT))
+ if (memblock_is_reserved(pfn << PAGE_SHIFT))
continue;
ClearPageReserved(page);
init_page_count(page);
git.openpandora.org / pandora-kernel.git / blobdiff