CVS commit: src/sys/kern

["Maxime Villard" <maxv%netbsd.org@localhost>]

Module Name:    src
Committed By:   maxv
Date:           Thu Aug 15 12:06:42 UTC 2019

Modified Files:
        src/sys/kern: subr_kmem.c

Log Message:
Retire KMEM_GUARD. It has been superseded by kASan, which is much more
powerful, has much more coverage - far beyond just kmem(9) -, and also
consumes less memory.

KMEM_GUARD was a debug-only option that required special DDB tweaking, and
had no use in releases or even diagnostic kernels.

As a general rule, the policy now is to harden the pool layer by default
in GENERIC, and use kASan as a diagnostic/debug/fuzzing feature to verify
each memory allocation & access in the system.


To generate a diff of this commit:
cvs rdiff -u -r1.75 -r1.76 src/sys/kern/subr_kmem.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.