*
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <asm/prom.h>
#include <asm/lmb.h>
#include <asm/sections.h>
+#include <asm/rtas.h>
#include <asm/vdso.h>
#include "mmu_decl.h"
void online_page(struct page *page)
{
ClearPageReserved(page);
- set_page_count(page, 0);
- free_cold_page(page);
+ init_page_count(page);
+ __free_page(page);
totalram_pages++;
num_physpages++;
}
-int __devinit add_memory(u64 start, u64 size)
+#ifdef CONFIG_NUMA
+int memory_add_physaddr_to_nid(u64 start)
+{
+ return hot_add_scn_to_nid(start);
+}
+#endif
+
+int __devinit arch_add_memory(int nid, u64 start, u64 size)
{
struct pglist_data *pgdata;
struct zone *zone;
- int nid;
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
- nid = hot_add_scn_to_nid(start);
pgdata = NODE_DATA(nid);
- start = __va(start);
+ start = (unsigned long)__va(start);
create_section_mapping(start, start + size);
/* this should work for most non-highmem platforms */
printk("Mem-info:\n");
show_free_areas();
printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
- for_each_pgdat(pgdat) {
+ for_each_online_pgdat(pgdat) {
unsigned long flags;
pgdat_resize_lock(pgdat, &flags);
for (i = 0; i < pgdat->node_spanned_pages; i++) {
bootmap_pages = bootmem_bootmap_pages(total_pages);
start = lmb_alloc(bootmap_pages << PAGE_SHIFT, PAGE_SIZE);
- BUG_ON(!start);
boot_mapsize = init_bootmem(start >> PAGE_SHIFT, total_pages);
+ /* Add active regions with valid PFNs */
+ for (i = 0; i < lmb.memory.cnt; i++) {
+ 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);
+ add_active_range(0, start_pfn, end_pfn);
+ }
+
/* Add all physical memory to the bootmem map, mark each area
* present.
*/
- for (i = 0; i < lmb.memory.cnt; i++) {
- unsigned long base = lmb.memory.region[i].base;
- unsigned long size = lmb_size_bytes(&lmb.memory, i);
#ifdef CONFIG_HIGHMEM
- if (base >= total_lowmem)
- continue;
- if (base + size > total_lowmem)
- size = total_lowmem - base;
+ free_bootmem_with_active_regions(0, total_lowmem >> PAGE_SHIFT);
+#else
+ free_bootmem_with_active_regions(0, max_pfn);
#endif
- free_bootmem(base, size);
- }
/* reserve the sections we're already using */
for (i = 0; i < lmb.reserved.cnt; i++)
lmb_size_bytes(&lmb.reserved, i));
/* XXX need to clip this if using highmem? */
- for (i = 0; i < lmb.memory.cnt; i++)
- memory_present(0, lmb_start_pfn(&lmb.memory, i),
- lmb_end_pfn(&lmb.memory, i));
+ sparse_memory_present_with_active_regions(0);
+
init_bootmem_done = 1;
}
*/
void __init paging_init(void)
{
- unsigned long zones_size[MAX_NR_ZONES];
- unsigned long zholes_size[MAX_NR_ZONES];
unsigned long total_ram = lmb_phys_mem_size();
unsigned long top_of_ram = lmb_end_of_DRAM();
+ unsigned long max_zone_pfns[MAX_NR_ZONES];
#ifdef CONFIG_HIGHMEM
map_page(PKMAP_BASE, 0, 0); /* XXX gross */
kmap_prot = PAGE_KERNEL;
#endif /* CONFIG_HIGHMEM */
- printk(KERN_INFO "Top of RAM: 0x%lx, Total RAM: 0x%lx\n",
+ printk(KERN_DEBUG "Top of RAM: 0x%lx, Total RAM: 0x%lx\n",
top_of_ram, total_ram);
- printk(KERN_INFO "Memory hole size: %ldMB\n",
+ printk(KERN_DEBUG "Memory hole size: %ldMB\n",
(top_of_ram - total_ram) >> 20);
- /*
- * All pages are DMA-able so we put them all in the DMA zone.
- */
- memset(zones_size, 0, sizeof(zones_size));
- memset(zholes_size, 0, sizeof(zholes_size));
-
- zones_size[ZONE_DMA] = top_of_ram >> PAGE_SHIFT;
- zholes_size[ZONE_DMA] = (top_of_ram - total_ram) >> PAGE_SHIFT;
-
+ memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
#ifdef CONFIG_HIGHMEM
- zones_size[ZONE_DMA] = total_lowmem >> PAGE_SHIFT;
- zones_size[ZONE_HIGHMEM] = (total_memory - total_lowmem) >> PAGE_SHIFT;
- zholes_size[ZONE_HIGHMEM] = (top_of_ram - total_ram) >> PAGE_SHIFT;
+ max_zone_pfns[ZONE_DMA] = total_lowmem >> PAGE_SHIFT;
+ max_zone_pfns[ZONE_HIGHMEM] = top_of_ram >> PAGE_SHIFT;
#else
- zones_size[ZONE_DMA] = top_of_ram >> PAGE_SHIFT;
- zholes_size[ZONE_DMA] = (top_of_ram - total_ram) >> PAGE_SHIFT;
-#endif /* CONFIG_HIGHMEM */
-
- free_area_init_node(0, NODE_DATA(0), zones_size,
- __pa(PAGE_OFFSET) >> PAGE_SHIFT, zholes_size);
+ max_zone_pfns[ZONE_DMA] = top_of_ram >> PAGE_SHIFT;
+#endif
+ free_area_init_nodes(max_zone_pfns);
}
#endif /* ! CONFIG_NEED_MULTIPLE_NODES */
#ifdef CONFIG_NEED_MULTIPLE_NODES
for_each_online_node(nid) {
if (NODE_DATA(nid)->node_spanned_pages != 0) {
- printk("freeing bootmem node %x\n", nid);
+ printk("freeing bootmem node %d\n", nid);
totalram_pages +=
free_all_bootmem_node(NODE_DATA(nid));
}
max_mapnr = max_pfn;
totalram_pages += free_all_bootmem();
#endif
- for_each_pgdat(pgdat) {
+
+#ifdef CONFIG_PPC_PSERIES
+ /* Mark the RTAS pages as PG_reserved so userspace can mmap them */
+ if (rtas_rmo_buf) {
+ unsigned long pfn, start_pfn, end_pfn;
+
+ start_pfn = rtas_rmo_buf >> PAGE_SHIFT;
+ end_pfn = (rtas_rmo_buf + RTAS_RMOBUF_MAX) >> PAGE_SHIFT;
+ for (pfn = start_pfn; pfn < end_pfn; pfn++)
+ SetPageReserved(pfn_to_page(pfn));
+ }
+#endif
+
+ for_each_online_pgdat(pgdat) {
for (i = 0; i < pgdat->node_spanned_pages; i++) {
if (!pfn_valid(pgdat->node_start_pfn + i))
continue;
struct page *page = pfn_to_page(pfn);
ClearPageReserved(page);
- set_page_count(page, 1);
+ init_page_count(page);
__free_page(page);
totalhigh_pages++;
}
totalram_pages += totalhigh_pages;
- printk(KERN_INFO "High memory: %luk\n",
+ printk(KERN_DEBUG "High memory: %luk\n",
totalhigh_pages << (PAGE_SHIFT-10));
}
#endif /* CONFIG_HIGHMEM */
git://git.onelab.eu / linux-2.6.git / blobdiff