1601 void qemu_ram_set_idstr(RAMBlock *new_block, const char *name, DeviceState *dev)  in qemu_ram_set_idstr()  argument
1605     assert(new_block);  in qemu_ram_set_idstr()
1606     assert(!new_block->idstr[0]);  in qemu_ram_set_idstr()
1611             snprintf(new_block->idstr, sizeof(new_block->idstr), "%s/", id);  in qemu_ram_set_idstr()
1615     pstrcat(new_block->idstr, sizeof(new_block->idstr), name);  in qemu_ram_set_idstr()
1619         if (block != new_block &&  in qemu_ram_set_idstr()
1620             !strcmp(block->idstr, new_block->idstr)) {  in qemu_ram_set_idstr()
1622                     new_block->idstr);  in qemu_ram_set_idstr()
1807 static void ram_block_add(RAMBlock *new_block, Error **errp)  in ram_block_add()  argument
1809     const bool noreserve = qemu_ram_is_noreserve(new_block);  in ram_block_add()
1810     const bool shared = qemu_ram_is_shared(new_block);  in ram_block_add()
1820     new_block->offset = find_ram_offset(new_block->max_length);  in ram_block_add()
1822     if (!new_block->host) {  in ram_block_add()
1824             xen_ram_alloc(new_block->offset, new_block->max_length,  in ram_block_add()
1825                           new_block->mr, &err);  in ram_block_add()
1832             new_block->host = qemu_anon_ram_alloc(new_block->max_length,  in ram_block_add()
1833                                                   &new_block->mr->align,  in ram_block_add()
1835             if (!new_block->host) {  in ram_block_add()
1838                                  memory_region_name(new_block->mr));  in ram_block_add()
1842             memory_try_enable_merging(new_block->host, new_block->max_length);  in ram_block_add()
1847     if (new_block->flags & RAM_GUEST_MEMFD) {  in ram_block_add()
1849         assert(new_block->guest_memfd < 0);  in ram_block_add()
1858         new_block->guest_memfd = kvm_create_guest_memfd(new_block->max_length,  in ram_block_add()
1860         if (new_block->guest_memfd < 0) {  in ram_block_add()
1867               (new_block->offset + new_block->max_length) >> TARGET_PAGE_BITS);  in ram_block_add()
1877         if (block->max_length < new_block->max_length) {  in ram_block_add()
1882         QLIST_INSERT_BEFORE_RCU(block, new_block, next);  in ram_block_add()
1884         QLIST_INSERT_AFTER_RCU(last_block, new_block, next);  in ram_block_add()
1886         QLIST_INSERT_HEAD_RCU(&ram_list.blocks, new_block, next);  in ram_block_add()
1895     cpu_physical_memory_set_dirty_range(new_block->offset,  in ram_block_add()
1896                                         new_block->used_length,  in ram_block_add()
1899     if (new_block->host) {  in ram_block_add()
1900         qemu_ram_setup_dump(new_block->host, new_block->max_length);  in ram_block_add()
1901         qemu_madvise(new_block->host, new_block->max_length, QEMU_MADV_HUGEPAGE);  in ram_block_add()
1908             qemu_madvise(new_block->host, new_block->max_length,  in ram_block_add()
1911         ram_block_notify_add(new_block->host, new_block->used_length,  in ram_block_add()
1912                              new_block->max_length);  in ram_block_add()
1918         qemu_anon_ram_free(new_block->host, new_block->max_length);  in ram_block_add()
1919         new_block->host = NULL;  in ram_block_add()
1928     RAMBlock *new_block;  in qemu_ram_alloc_from_fd()  local
1967     new_block = g_malloc0(sizeof(*new_block));  in qemu_ram_alloc_from_fd()
1968     new_block->mr = mr;  in qemu_ram_alloc_from_fd()
1969     new_block->used_length = size;  in qemu_ram_alloc_from_fd()
1970     new_block->max_length = size;  in qemu_ram_alloc_from_fd()
1971     new_block->flags = ram_flags;  in qemu_ram_alloc_from_fd()
1972     new_block->guest_memfd = -1;  in qemu_ram_alloc_from_fd()
1973     new_block->host = file_ram_alloc(new_block, size, fd, !file_size, offset,  in qemu_ram_alloc_from_fd()
1975     if (!new_block->host) {  in qemu_ram_alloc_from_fd()
1976         g_free(new_block);  in qemu_ram_alloc_from_fd()
1980     ram_block_add(new_block, &local_err);  in qemu_ram_alloc_from_fd()
1982         g_free(new_block);  in qemu_ram_alloc_from_fd()
1986     return new_block;  in qemu_ram_alloc_from_fd()
2047     RAMBlock *new_block;  in qemu_ram_alloc_internal()  local
2060     new_block = g_malloc0(sizeof(*new_block));  in qemu_ram_alloc_internal()
2061     new_block->mr = mr;  in qemu_ram_alloc_internal()
2062     new_block->resized = resized;  in qemu_ram_alloc_internal()
2063     new_block->used_length = size;  in qemu_ram_alloc_internal()
2064     new_block->max_length = max_size;  in qemu_ram_alloc_internal()
2066     new_block->fd = -1;  in qemu_ram_alloc_internal()
2067     new_block->guest_memfd = -1;  in qemu_ram_alloc_internal()
2068     new_block->page_size = qemu_real_host_page_size();  in qemu_ram_alloc_internal()
2069     new_block->host = host;  in qemu_ram_alloc_internal()
2070     new_block->flags = ram_flags;  in qemu_ram_alloc_internal()
2071     ram_block_add(new_block, &local_err);  in qemu_ram_alloc_internal()
2073         g_free(new_block);  in qemu_ram_alloc_internal()
2077     return new_block;  in qemu_ram_alloc_internal()