I don't think the kernel can take back those buffers, as they are necessary for any I/O that needs to read or write arbitrary sized chunks from/to block devices (but I could be wrong about the meaning of "buffers")

In reply to Re: [OT]What is "buffers" and "cached" memory in Linux system box? by jethro
in thread [OT]What is "buffers" and "cached" memory in Linux system box? by sunshine_august

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