This change adds accounting for the memory allocated for shadow stacks.
Bug: 145210207
Change-Id: Iee94c22abefcabb63a3bcd4db8ba952130f30a82
(am from https://lore.kernel.org/patchwork/patch/1149055/)
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>