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Putting structure, especially those containing function pointers, into read-only memory makes the safer and easier to reason about. Change the sysctl registration APIs to allow registration of "const struct ctl_table". Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Kees Cook <keescook@chromium.org> Reviewed-by: Kees Cook <keescook@chromium.org> # security/* Signed-off-by: Joel Granados <joel.granados@kernel.org>