1 files changed, 1 insertions, 2 deletions
diff --git a/vm.c b/vm.c
index 85f6ce2..cd36db5 100644
--- a/vm.c
+++ b/vm.c
@@ -9,7 +9,6 @@
 
 extern char data[];  // defined by kernel.ld
 pde_t *kpgdir;  // for use in scheduler()
-struct segdesc gdt[NSEGS];
 
 // Set up CPU's kernel segment descriptors.
 // Run once on entry on each CPU.
@@ -28,7 +27,7 @@ seginit(void)
   c->gdt[SEG_UCODE] = SEG(STA_X|STA_R, 0, 0xffffffff, DPL_USER);
   c->gdt[SEG_UDATA] = SEG(STA_W, 0, 0xffffffff, DPL_USER);
 
-  // Map cpu, and curproc
+  // Map cpu and curproc -- these are private per cpu.
   c->gdt[SEG_KCPU] = SEG(STA_W, &c->cpu, 8, 0);
 
   lgdt(c->gdt, sizeof(c->gdt));