1653 void qemu_ram_set_idstr(RAMBlock *new_block, const char *name, DeviceState *dev)  in qemu_ram_set_idstr()  argument
1657     assert(new_block);  in qemu_ram_set_idstr()
1658     assert(!new_block->idstr[0]);  in qemu_ram_set_idstr()
1663             snprintf(new_block->idstr, sizeof(new_block->idstr), "%s/", id);  in qemu_ram_set_idstr()
1667     pstrcat(new_block->idstr, sizeof(new_block->idstr), name);  in qemu_ram_set_idstr()
1671         if (block != new_block &&  in qemu_ram_set_idstr()
1672             !strcmp(block->idstr, new_block->idstr)) {  in qemu_ram_set_idstr()
1674                     new_block->idstr);  in qemu_ram_set_idstr()
1871 static void ram_block_add(RAMBlock *new_block, Error **errp)  in ram_block_add()  argument
1873     const bool noreserve = qemu_ram_is_noreserve(new_block);  in ram_block_add()
1874     const bool shared = qemu_ram_is_shared(new_block);  in ram_block_add()
1882     new_block->offset = find_ram_offset(new_block->max_length);  in ram_block_add()
1884     if (!new_block->host) {  in ram_block_add()
1886             xen_ram_alloc(new_block->offset, new_block->max_length,  in ram_block_add()
1887                           new_block->mr, &err);  in ram_block_add()
1894             new_block->host = qemu_anon_ram_alloc(new_block->max_length,  in ram_block_add()
1895                                                   &new_block->mr->align,  in ram_block_add()
1897             if (!new_block->host) {  in ram_block_add()
1900                                  memory_region_name(new_block->mr));  in ram_block_add()
1904             memory_try_enable_merging(new_block->host, new_block->max_length);  in ram_block_add()
1909     if (new_block->flags & RAM_GUEST_MEMFD) {  in ram_block_add()
1917         assert(new_block->guest_memfd < 0);  in ram_block_add()
1927         new_block->guest_memfd = kvm_create_guest_memfd(new_block->max_length,  in ram_block_add()
1929         if (new_block->guest_memfd < 0) {  in ram_block_add()
1938         if (ram_is_cpr_compatible(new_block)) {  in ram_block_add()
1939             error_setg(&new_block->cpr_blocker,  in ram_block_add()
1942                        memory_region_name(new_block->mr));  in ram_block_add()
1943             migrate_add_blocker_modes(&new_block->cpr_blocker, errp,  in ram_block_add()
1948     ram_size = (new_block->offset + new_block->max_length) >> TARGET_PAGE_BITS;  in ram_block_add()
1956         if (block->max_length < new_block->max_length) {  in ram_block_add()
1961         QLIST_INSERT_BEFORE_RCU(block, new_block, next);  in ram_block_add()
1963         QLIST_INSERT_AFTER_RCU(last_block, new_block, next);  in ram_block_add()
1965         QLIST_INSERT_HEAD_RCU(&ram_list.blocks, new_block, next);  in ram_block_add()
1974     cpu_physical_memory_set_dirty_range(new_block->offset,  in ram_block_add()
1975                                         new_block->used_length,  in ram_block_add()
1978     if (new_block->host) {  in ram_block_add()
1979         qemu_ram_setup_dump(new_block->host, new_block->max_length);  in ram_block_add()
1980         qemu_madvise(new_block->host, new_block->max_length, QEMU_MADV_HUGEPAGE);  in ram_block_add()
1987             qemu_madvise(new_block->host, new_block->max_length,  in ram_block_add()
1990         ram_block_notify_add(new_block->host, new_block->used_length,  in ram_block_add()
1991                              new_block->max_length);  in ram_block_add()
1997         qemu_anon_ram_free(new_block->host, new_block->max_length);  in ram_block_add()
1998         new_block->host = NULL;  in ram_block_add()
2010     RAMBlock *new_block;  in qemu_ram_alloc_from_fd()  local
2059     new_block = g_malloc0(sizeof(*new_block));  in qemu_ram_alloc_from_fd()
2060     new_block->mr = mr;  in qemu_ram_alloc_from_fd()
2061     new_block->used_length = size;  in qemu_ram_alloc_from_fd()
2062     new_block->max_length = max_size;  in qemu_ram_alloc_from_fd()
2063     new_block->resized = resized;  in qemu_ram_alloc_from_fd()
2064     new_block->flags = ram_flags;  in qemu_ram_alloc_from_fd()
2065     new_block->guest_memfd = -1;  in qemu_ram_alloc_from_fd()
2066     new_block->host = file_ram_alloc(new_block, max_size, fd,  in qemu_ram_alloc_from_fd()
2069     if (!new_block->host) {  in qemu_ram_alloc_from_fd()
2070         g_free(new_block);  in qemu_ram_alloc_from_fd()
2074     ram_block_add(new_block, &local_err);  in qemu_ram_alloc_from_fd()
2076         g_free(new_block);  in qemu_ram_alloc_from_fd()
2080     return new_block;  in qemu_ram_alloc_from_fd()
2169     RAMBlock *new_block;  in qemu_ram_alloc_internal()  local
2211             new_block = qemu_ram_alloc_from_fd(size, max_size, resized, mr,  in qemu_ram_alloc_internal()
2213             if (new_block) {  in qemu_ram_alloc_internal()
2214                 trace_qemu_ram_alloc_shared(name, new_block->used_length,  in qemu_ram_alloc_internal()
2215                                             new_block->max_length, fd,  in qemu_ram_alloc_internal()
2216                                             new_block->host);  in qemu_ram_alloc_internal()
2217                 return new_block;  in qemu_ram_alloc_internal()
2232     new_block = g_malloc0(sizeof(*new_block));  in qemu_ram_alloc_internal()
2233     new_block->mr = mr;  in qemu_ram_alloc_internal()
2234     new_block->resized = resized;  in qemu_ram_alloc_internal()
2235     new_block->used_length = size;  in qemu_ram_alloc_internal()
2236     new_block->max_length = max_size;  in qemu_ram_alloc_internal()
2237     new_block->fd = -1;  in qemu_ram_alloc_internal()
2238     new_block->guest_memfd = -1;  in qemu_ram_alloc_internal()
2239     new_block->page_size = qemu_real_host_page_size();  in qemu_ram_alloc_internal()
2240     new_block->host = host;  in qemu_ram_alloc_internal()
2241     new_block->flags = ram_flags;  in qemu_ram_alloc_internal()
2242     ram_block_add(new_block, &local_err);  in qemu_ram_alloc_internal()
2244         g_free(new_block);  in qemu_ram_alloc_internal()
2248     return new_block;  in qemu_ram_alloc_internal()