https://android.googlesource.com/kernel/common/+/54068d61e7d8a34e60d828ed6fadb469fe2362cb/arch/nios2/mm/cacheflush.c
arch/nios2/mm/cacheflush.c - kernel/common - Git at Google
archmmkernelgitgoogle
https://www.drupal.org/node/1969120
cacheflush 7.x-1.x-dev | Drupal.org
xdevdrupal