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mem_watcher下paf功能修改
t = BPF_CORE_READ(ac, preferred_zoneref, zone, _watermark) 将 _watermark(一个数组)的值赋给 t,但是t 被定义为指针(unsigned long *t), BPF_CORE_READ 只返回数组的第一个元素的值,所以在下面代码中对于水位线 min、low、high的定义:
这些数据是错误的,应该每一个都用 BPF_CORE_READ 读取_watermark

以下是正确的输出与验证