Changes from 1.3.17 to 1.3.18

These changes are archived on ftp.crynwr.com:pub/kchanges and http://www.crynwr.com/kchanges. I cannot answer questions about Linux -- I merely summarize the kernel patches after reading them. I try to make them useful to everyone, but kernel hackers should take them with a grain of salt and read the patches themselves. The patch file is patch-1.3.18.gz

These are from Linus:

• ptrace(POKE_DATA/POKE_CODE) used to do bad things to the page tables, which resulted in problems especially on Pentiums with the newly enabled extended page table setup. Now strace/gdb should work correctly again (same bug in the i386 and alpha trees: with the current memory management I should really move those functions to the generic mm sources.)
• AZTCD driver update.
• ext2fs cleanups (remove old compatibility code).
• lp.c update. Better statistics and support for slow printers.
• Various small fixes to network driver modularizations.
• ARCNET driver update.
• /proc filesystem cleanup started. /proc/net is cleaner, I'll fix the others to be more coherent soon, I hope.
• sound driver update (v 3.0.1).
• various networking patches (routing metrics, arp sanity checks, ip fragmentation+forwarding hopefully fixed).

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