__NR_munmap       283 sandbox/linux/services/arm_linux_syscalls.h #define __NR_munmap (__NR_SYSCALL_BASE+91)
__NR_munmap       378 sandbox/linux/services/x86_32_linux_syscalls.h #define __NR_munmap 91
__NR_munmap        58 sandbox/linux/services/x86_64_linux_syscalls.h #define __NR_munmap 11