https://mailman.dslinux.in-berlin.de/pipermail/dslinux-commit-dslinux.in-berlin.de/2006-August/000274.html
dslinux/linux-2.6.x/include/asm-arm cacheflush.h cacheflush-nommu.h
linuxincludeasmarmh
https://lkml.indiana.edu/hypermail/linux/kernel/1001.1/02331.html
Linux-Kernel Archive: Re: [PATCH 1/6] NOMMU: Fix SYSV SHM for NOMMU
linux kernelarchivepatchnommufix
https://gem5.googlesource.com/arm/linux/+/0eb96bf754d7fa6635aa0b0f6650c74b8a6b1cc9/mm/nommu.c
mm/nommu.c - arm/linux - Git at Google
mmcarmlinuxgit
https://www.kernelconfig.io/CONFIG_CPU_ABRT_NOMMU
config_cpu_abrt_nommu - kernelconfig.io
CONFIG_CPU_ABRT_NOMMU - abort-nommu.ko
configcpunommuio