add page cache with read-ahead and dirty writeback, file-backed and anonymous mmap with CoW, VAD-based virtual memory replacing the old user region model, PFN database with eviction and reclaim, file identity for cross-open section sharing, FAT32 path cache and per-file cluster chain cache, serial.sys for COM1 keyboard input, xHCI MSI with INTx and polled fallback, PciEnableMsiAuto, waitable input queue, KeWaitForAnyEvent, per-process thread info syscall, expanded kernel stats (PFN/PTE/VAD/file-cache/disk), pool allocation tags, async I/O user buffer locking, file flush on close, add docs.md.

code/user/system/init/init.c

@@ -76,9 +76,9 @@ void _start(void)
         }
 
         debug_print("[init] waiting\n");
-        s = SysWaitForProcess(h);
+        s = SysWait(h, SYS_WAIT_FLAG_NONE);
         if (s != STATUS_SUCCESS)
-            debug_print("[init] WARNING: SysWaitForProcess returned error\n");
+            debug_print("[init] WARNING: SysWait returned error\n");
 
         int exitCode = 0;
         if (SysGetProcessExitCode(h, &exitCode) != STATUS_SUCCESS) {