Date: Wed, 24 Jan 2001 16:46:23 -0500 (EST) From: Zhiui Zhang <zzhang@cs.binghamton.edu> To: freebsd-hackers@freebsd.org Subject: buffer headers in FreeBSD & Linux Message-ID: <Pine.SOL.4.21.0101241642010.478-100000@onyx>
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I am wondering why FreeBSD has fixed number of buffer headers (nbuf) while Linux can grow the number of buffer headers on the fly. In FreeBSD, we have a lofreebuffers count. I think this is a reserve for avoiding deadlock when the buffer headers are low. But Linux does not seem to have such a counter. How do they solve this problems? What's the pros and cons of these two different schemes? Any help is appreciated! -Zhihui To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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