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authorMole Shang <[email protected]>2024-02-19 14:10:32 +0800
committerMole Shang <[email protected]>2024-02-19 14:36:21 +0800
commitd86118fc80267649b4791c8c0c72ebd60edf1ef2 (patch)
treeb792b617b4df80a5803a9c1164d0e3fdfe9cfe31 /kernel/buf.h
parentb20ef9d0210fd7d9403acde1857eed1b9880c0b2 (diff)
parent0cf897cbe05fd8485162619db4244f4159d0eb52 (diff)
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Merge branch 'fs' into mmap
Conflicts: .gitignore Makefile conf/lab.mk kernel/defs.h user/user.h
Diffstat (limited to 'kernel/buf.h')
-rw-r--r--kernel/buf.h1
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
};