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From: Yue Chen <ycyc321@gmail.com>
Date: Wed, 28 Jan 2015 19:54:37 -0500
Message-ID: <CAKtBrB4eKn-Zfeh1fmjiMUaU4ZMbewd3wh4+Nzc_BpS7rtRiUA@mail.gmail.com>
Subject: How to know the address ranges of kernel stacks, for user processes
 and kernel threads?
To: freebsd-hackers@freebsd.org, freebsd-current@freebsd.org
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How can we know the kernel stack ranges for user process and kernel threads
under FreeBSD x86_64?

It seems that each kernel stack has two pages (IA-32) to use. Does x86_64
still have two pages or more? And how can we find the address of these two
pages from a kernel module?