CVS commit: src/sys/uvm

["Chuck Silvers" <chs%netbsd.org@localhost>]

Module Name:    src
Committed By:   chs
Date:           Sat Aug  6 05:55:37 UTC 2022

Modified Files:
        src/sys/uvm: uvm_km.c

Log Message:
allow KMSAN to work again by restoring the limiting of kva even with
NKMEMPAGES_MAX_UNLIMITED.  we used to limit kva to 1/8 of physmem
but limiting to 1/4 should be enough, and 1/4 still gives the kernel
enough kva to map all of the RAM that KMSAN has not stolen.

Reported-by: syzbot+ca3710b4c40cdd61aa72%syzkaller.appspotmail.com@localhost


To generate a diff of this commit:
cvs rdiff -u -r1.161 -r1.162 src/sys/uvm/uvm_km.c

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