cleanup: rename Graphics:Cursor => Graphics::Framebuffer

kernel/src/Memory/Paging.cpp

@@ -69,9 +69,9 @@ namespace Memory::VMM {
         // just mapped (e.g. in the 32-bit MMIO hole), and it is not guaranteed
         // to appear as a memory-map region.  It MUST be reachable through the
         // HHDM before we switch to these page tables, because the very next log
-        // line (and PAT setup, and Cursor init) renders to it via phys+hhdmBase.
-        // Map its pages explicitly (write-back for now; Cursor upgrades them to
-        // write-combining once PAT is reprogrammed).
+        // line (and PAT setup, and framebuffer init) renders to it via phys+hhdmBase.
+        // Map its pages explicitly (write-back for now; the framebuffer module
+        // upgrades them to write-combining once PAT is reprogrammed).
         if (framebuffer.address != 0) {
             uint64_t fbPhys  = Memory::SubHHDM(framebuffer.address);
             uint64_t fbBytes = framebuffer.height * framebuffer.pitch;