+#endif
+
+ram_addr_t qemu_ram_alloc(ram_addr_t size)
+{
+ RAMBlock *new_block;
+
+#ifdef USE_KQEMU
+ if (kqemu_phys_ram_base) {
+ return kqemu_ram_alloc(size);
+ }
+#endif
+
+ size = TARGET_PAGE_ALIGN(size);
+ new_block = qemu_malloc(sizeof(*new_block));
+
+ new_block->host = qemu_vmalloc(size);
+ new_block->offset = last_ram_offset;
+ new_block->length = size;
+
+ new_block->next = ram_blocks;
+ ram_blocks = new_block;
+
+ phys_ram_dirty = qemu_realloc(phys_ram_dirty,
+ (last_ram_offset + size) >> TARGET_PAGE_BITS);
+ memset(phys_ram_dirty + (last_ram_offset >> TARGET_PAGE_BITS),
+ 0xff, size >> TARGET_PAGE_BITS);
+
+ last_ram_offset += size;
+
+ return new_block->offset;
+}