vma->vm_start = current->thread.rbs_bot & PAGE_MASK;
vma->vm_end = vma->vm_start + PAGE_SIZE;
vma->vm_page_prot = protection_map[VM_DATA_DEFAULT_FLAGS & 0x7];
- vma->vm_flags = VM_DATA_DEFAULT_FLAGS | VM_GROWSUP;
+ vma->vm_flags = VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT;
down_write(¤t->mm->mmap_sem);
if (insert_vm_struct(current->mm, vma)) {
up_write(¤t->mm->mmap_sem);
eaddr = (unsigned long) ia64_imva(__init_end);
while (addr < eaddr) {
ClearPageReserved(virt_to_page(addr));
- set_page_count(virt_to_page(addr), 1);
+ init_page_count(virt_to_page(addr));
free_page(addr);
++totalram_pages;
addr += PAGE_SIZE;
continue;
page = virt_to_page(start);
ClearPageReserved(page);
- set_page_count(page, 1);
+ init_page_count(page);
free_page(start);
++totalram_pages;
}
pgd = pgd_offset_k(address); /* note: this is NOT pgd_offset()! */
- spin_lock(&init_mm.page_table_lock);
{
pud = pud_alloc(&init_mm, pgd, address);
if (!pud)
goto out;
-
pmd = pmd_alloc(&init_mm, pud, address);
if (!pmd)
goto out;
- pte = pte_alloc_map(&init_mm, pmd, address);
+ pte = pte_alloc_kernel(pmd, address);
if (!pte)
goto out;
- if (!pte_none(*pte)) {
- pte_unmap(pte);
+ if (!pte_none(*pte))
goto out;
- }
set_pte(pte, mk_pte(page, pgprot));
- pte_unmap(pte);
}
- out: spin_unlock(&init_mm.page_table_lock);
+ out:
/* no need for flush_tlb */
return page;
}
platform_dma_init();
#endif
-#ifndef CONFIG_DISCONTIGMEM
+#ifdef CONFIG_FLATMEM
if (!mem_map)
BUG();
max_mapnr = max_low_pfn;
ia32_mem_init();
#endif
}
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+void online_page(struct page *page)
+{
+ ClearPageReserved(page);
+ init_page_count(page);
+ __free_page(page);
+ totalram_pages++;
+ num_physpages++;
+}
+
+int add_memory(u64 start, u64 size)
+{
+ pg_data_t *pgdat;
+ struct zone *zone;
+ unsigned long start_pfn = start >> PAGE_SHIFT;
+ unsigned long nr_pages = size >> PAGE_SHIFT;
+ int ret;
+
+ pgdat = NODE_DATA(0);
+
+ zone = pgdat->node_zones + ZONE_NORMAL;
+ ret = __add_pages(zone, start_pfn, nr_pages);
+
+ if (ret)
+ printk("%s: Problem encountered in __add_pages() as ret=%d\n",
+ __FUNCTION__, ret);
+
+ return ret;
+}
+
+int remove_memory(u64 start, u64 size)
+{
+ return -EINVAL;
+}
+#endif