Kernel: Increase userspace stack size and decrease kernel stack

Quake II needs a lot of stack, it was overflowing my 256 KiB stack so
this patch doubles that, so Quake II can run!

Also every thread had 256 KiB kernel stack. This is unnecessarily large
and now dropped to 32 KiB.

kernel/include/kernel/Thread.h

@@ -103,8 +103,8 @@ namespace Kernel
 		//       {kernel,userspace}_stack has to be destroyed before page table
 		BAN::UniqPtr<PageTable>    m_keep_alive_page_table;
 
-		static constexpr size_t    m_kernel_stack_size    { PAGE_SIZE * 64 };
-		static constexpr size_t    m_userspace_stack_size { PAGE_SIZE * 64 };
+		static constexpr size_t    m_kernel_stack_size    { PAGE_SIZE * 8 };
+		static constexpr size_t    m_userspace_stack_size { PAGE_SIZE * 128 };
 		BAN::UniqPtr<VirtualRange> m_kernel_stack;
 		BAN::UniqPtr<VirtualRange> m_userspace_stack;
 		const pid_t                m_tid                  { 0 };

userspace/libraries/LibGUI/Window.cpp

@@ -62,7 +62,7 @@ namespace LibGUI
 		cleanup();
 	}
 
-	BAN::ErrorOr<BAN::UniqPtr<Window>> Window::create(uint32_t width, uint32_t height, BAN::StringView title)
+	BAN::ErrorOr<BAN::UniqPtr<Window>> Window::create(uint32_t width, uint32_t height, BAN::StringView title, Attributes attributes)
 	{
 		int server_fd = socket(AF_UNIX, SOCK_STREAM, 0);
 		if (server_fd == -1)
@@ -101,7 +101,7 @@ namespace LibGUI
 		TRY(create_packet.title.append(title));
 		TRY(create_packet.send_serialized(server_fd));
 
-		auto window = TRY(BAN::UniqPtr<Window>::create(server_fd));
+		auto window = TRY(BAN::UniqPtr<Window>::create(server_fd, attributes));
 
 		bool resized = false;
 		window->set_resize_window_event_callback([&]() { resized = true; });

userspace/libraries/LibGUI/include/LibGUI/Packet.h

@@ -178,10 +178,20 @@ namespace LibGUI
 	namespace WindowPacket
 	{
 
+		struct Attributes
+		{
+			bool title_bar;
+			bool movable;
+			bool focusable;
+			bool rounded_corners;
+			bool alpha_channel;
+		};
+
 		DEFINE_PACKET(
 			WindowCreate,
 			uint32_t, width,
 			uint32_t, height,
+			Attributes, attributes,
 			BAN::String, title
 		);
 
@@ -199,15 +209,8 @@ namespace LibGUI
 			int32_t, y
 		);
 
-		DEFINE_PACKET_EXTRA(
+		DEFINE_PACKET(
 			WindowSetAttributes,
-			struct Attributes {
-				bool title_bar;
-				bool movable;
-				bool focusable;
-				bool rounded_corners;
-				bool alpha_channel;
-			},
 			Attributes, attributes
 		);
 

userspace/libraries/LibGUI/include/LibGUI/Window.h

@@ -14,7 +14,7 @@ namespace LibGUI
 	class Window
 	{
 	public:
-		using Attributes = WindowPacket::WindowSetAttributes::Attributes;
+		using Attributes = WindowPacket::Attributes;
 
 		static constexpr Attributes default_attributes = {
 			.title_bar       = true,
@@ -27,7 +27,7 @@ namespace LibGUI
 	public:
 		~Window();
 
-		static BAN::ErrorOr<BAN::UniqPtr<Window>> create(uint32_t width, uint32_t height, BAN::StringView title);
+		static BAN::ErrorOr<BAN::UniqPtr<Window>> create(uint32_t width, uint32_t height, BAN::StringView title, Attributes attributes = default_attributes);
 
 		void set_pixel(uint32_t x, uint32_t y, uint32_t color)
 		{
@@ -87,8 +87,9 @@ namespace LibGUI
 		int server_fd() const { return m_server_fd; }
 
 	private:
-		Window(int server_fd)
+		Window(int server_fd, Attributes attributes)
 			: m_server_fd(server_fd)
+			, m_attributes(attributes)
 		{ }
 
 		bool clamp_to_framebuffer(int32_t& x, int32_t& y, uint32_t& width, uint32_t& height) const;

userspace/programs/TaskBar/main.cpp

@@ -22,15 +22,14 @@ int main()
 
 	auto font = MUST(LibFont::Font::load("/usr/share/fonts/lat0-16.psfu"_sv));
 
-	auto window = MUST(LibGUI::Window::create(0, font.height() + 2 * padding, "TaskBar"));
-
 	auto attributes = LibGUI::Window::default_attributes;
 	attributes.title_bar = false;
 	attributes.movable = false;
 	attributes.focusable = false;
 	attributes.alpha_channel = false;
 	attributes.rounded_corners = false;
-	window->set_attributes(attributes);
+
+	auto window = MUST(LibGUI::Window::create(0, font.height() + 2 * padding, "TaskBar", attributes));
 
 	window->set_close_window_event_callback([]() {});
 

userspace/programs/Terminal/Terminal.cpp

@@ -110,12 +110,10 @@ void Terminal::run()
 	m_bg_color = s_colors_dark[0];
 	m_fg_color = s_colors_bright[7];
 
-	m_window = MUST(LibGUI::Window::create(600, 400, "Terminal"_sv));
-
 	auto attributes = LibGUI::Window::default_attributes;
 	attributes.alpha_channel = true;
-	m_window->set_attributes(attributes);
 
+	m_window = MUST(LibGUI::Window::create(600, 400, "Terminal"_sv, attributes));
 	m_window->fill(m_bg_color);
 	m_window->invalidate();
 

userspace/programs/WindowServer/WindowServer.cpp

@@ -67,6 +67,7 @@ void WindowServer::on_window_create(int fd, const LibGUI::WindowPacket::WindowCr
 		return;
 	}
 
+	window->set_attributes(packet.attributes);
 	window->set_position({
 		static_cast<int32_t>((m_framebuffer.width - window->client_width()) / 2),
 		static_cast<int32_t>((m_framebuffer.height - window->client_height()) / 2),