diff options
Diffstat (limited to 'kernel/buf.h')
-rw-r--r-- | kernel/buf.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/buf.h b/kernel/buf.h index 4616e9e..bbef407 100644 --- a/kernel/buf.h +++ b/kernel/buf.h @@ -8,5 +8,6 @@ struct buf { struct buf *prev; // LRU cache list struct buf *next; uchar data[BSIZE]; + uint ticks; // derived from global variable ticks (trap.c), record ticks when last modified }; |