syscall.sh / arm64 / fadvise64

fadvise64

predeclare an access pattern for file data

sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice)
number223 (0xdf)
abi64
entry pointsys_fadvise64_64
sinceLinux 3.7
man pagefadvise64(2)
sourceelixir.bootlin.com

Registers

registervalue
x8223, the syscall number
x0int fd
x1loff_t offset
x2loff_t len
x3int advice
x0the return value

Then run svc #0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/arm64/fadvise64