swapon on score

start/stop swapping to file/device

sys_swapon(const char *specialfile, int swap_flags)
number224 (0xe0)
abicommon
kconfigCONFIG_SWAP
entry pointsys_swapon
sinceLinux 3.7 or earlier (3.7 is the first release scanned for score)
man pageswapon(2)
sourceelixir.bootlin.com

Registers

registervalue
r27224, the syscall number
r4const char *specialfile
r5int swap_flags
r4the return value

Then run syscall to enter the kernel.

r7 is the error flag and r4 then holds the positive error number.

This architecture was removed from the Linux kernel in Linux 4.17. The newest release with a syscall table here is Linux 4.16. The other removed architectures live on the historical architectures page.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/score/swapon?kernel=all