On Mon, 19 Nov 2001 10:18:23 -0600, "Siders, Keith" <keith_siders@toshibatv.com> wrote: >OK, now that I've spent a couple weeks looking at Linux memory management, >can someone please help me straighten this out. First, I have a requirement >to "unobtrusively" hot-patch instruction code ( and probably data also ) >segments in memory. At the risk of stating the obvious, have you looked at the ptrace code in arch/$(ARCH)/kernel/ptrace.c? That already does all the work for reading and writing code and data.