summaryrefslogtreecommitdiff
path: root/kernel/buf.h
diff options
context:
space:
mode:
authorMole Shang <[email protected]>2024-02-16 10:20:27 +0800
committerMole Shang <[email protected]>2024-02-16 10:20:27 +0800
commita98c56a811142e5ede3332a7a444cca45f628769 (patch)
treec93ff7090da7b6ef911932be283818c2f6a03784 /kernel/buf.h
parent0d65be5d1d880afafbf08c2adb605cf9f72216e2 (diff)
parent99015f3a985b2fd051606636743a2a2969b216e8 (diff)
downloadxv6-labs-a98c56a811142e5ede3332a7a444cca45f628769.tar.gz
xv6-labs-a98c56a811142e5ede3332a7a444cca45f628769.tar.bz2
xv6-labs-a98c56a811142e5ede3332a7a444cca45f628769.zip
Merge branch 'lock' into thread
Conflicts: .gitignore Makefile conf/lab.mk
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
};