pkey_free on nds32

allocate or free a protection key

sys_pkey_free(int pkey)
number290 (0x122)
abicommon
familypkeys see the whole family on nds32
entry pointsys_pkey_free
sinceLinux 4.17 or earlier (4.17 is the first release scanned for nds32)
man pagepkey_free(2)
sourceelixir.bootlin.com

Registers

registervalue
r15290, the syscall number
r0int pkey
r0the return value

Then run syscall to enter the kernel.

This architecture was removed from the Linux kernel in Linux 5.18. The newest release with a syscall table here is Linux 5.17. 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/nds32/pkey_free?kernel=all