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authorMole Shang <[email protected]>2024-02-17 11:55:33 +0800
committerMole Shang <[email protected]>2024-02-17 12:22:07 +0800
commite8e0a7b4c97064eb5e9415726d7e38aaceccd3fd (patch)
treefb42ba5be7a8ae608b968266f62fd71fa889a89d /kernel/buf.h
parenta6af72924b115c1177d18d9b1eaba56623e4248b (diff)
parentd85aec2689c4250d0384904bdc11aa618c726bec (diff)
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Merge branch 'thread' into fs
Conflicts: .gitignore Makefile conf/lab.mk kernel/param.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
};