nits

1 files changed, 1 insertions, 1 deletions

diff --git a/kalloc.c b/kalloc.c
index cb79130..c5eaff4 100644
--- a/kalloc.c
+++ b/kalloc.c
@@ -38,7 +38,7 @@ kinit(void)
   initlock(&kalloc_lock, "kalloc");
   start = (char *) &end;
   start = (char *) (((uint)start + PAGE) & ~(PAGE-1));
-  mem = 256; // XXX
+  mem = 256; // assume 256 pages of RAM
   cprintf("mem = %d\n", mem * PAGE);
   kfree(start, mem * PAGE);
 }