gh-142419: Add mmap.set_name method for user custom annotation (gh-142480)

Python/jit.c

@@ -77,7 +77,7 @@ jit_alloc(size_t size)
     unsigned char *memory = mmap(NULL, size, prot, flags, -1, 0);
     int failed = memory == MAP_FAILED;
     if (!failed) {
-        _PyAnnotateMemoryMap(memory, size, "cpython:jit");
+        (void)_PyAnnotateMemoryMap(memory, size, "cpython:jit");
     }
 #endif
     if (failed) {

Python/perf_jit_trampoline.c

@@ -1086,7 +1086,8 @@ static void* perf_map_jit_init(void) {
         close(fd);
         return NULL;  // Memory mapping failed
     }
-    _PyAnnotateMemoryMap(perf_jit_map_state.mapped_buffer, page_size, "cpython:perf_jit_trampoline");
+    (void)_PyAnnotateMemoryMap(perf_jit_map_state.mapped_buffer, page_size,
+                               "cpython:perf_jit_trampoline");
 #endif
 
     perf_jit_map_state.mapped_size = page_size;

Python/perf_trampoline.c

@@ -291,7 +291,7 @@ new_code_arena(void)
         perf_status = PERF_STATUS_FAILED;
         return -1;
     }
-    _PyAnnotateMemoryMap(memory, mem_size, "cpython:perf_trampoline");
+    (void)_PyAnnotateMemoryMap(memory, mem_size, "cpython:perf_trampoline");
     void *start = &_Py_trampoline_func_start;
     void *end = &_Py_trampoline_func_end;
     size_t code_size = end - start;