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-rw-r--r--fs/buffer.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index 36c7253bea7..11ca6eb46a3 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3078,7 +3078,7 @@ static void recalc_bh_state(void)
if (__get_cpu_var(bh_accounting).ratelimit++ < 4096)
return;
__get_cpu_var(bh_accounting).ratelimit = 0;
- for_each_cpu(i)
+ for_each_online_cpu(i)
tot += per_cpu(bh_accounting, i).nr;
buffer_heads_over_limit = (tot > max_buffer_heads);
}
@@ -3127,6 +3127,9 @@ static void buffer_exit_cpu(int cpu)
brelse(b->bhs[i]);
b->bhs[i] = NULL;
}
+ get_cpu_var(bh_accounting).nr += per_cpu(bh_accounting, cpu).nr;
+ per_cpu(bh_accounting, cpu).nr = 0;
+ put_cpu_var(bh_accounting);
}
static int buffer_cpu_notify(struct notifier_block *self,