since it will improve the modularity and reduce the inforamtion explosion Change-Id: I085b36adb38993a979625a1f4c252d364a15afa1
defined here: https://man7.org/linux/man-pages/man3/malloc_usable_size.3.html Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com> Change-Id: I5988bb28375626188312bd0a0ba3fc12db66f644