syscall.sh / alpha / pkey_alloc

pkey_alloc

allocate or free a protection key

sys_pkey_alloc(unsigned long flags, unsigned long init_val)
number525 (0x20d)
abicommon
entry pointsys_pkey_alloc
sinceLinux 5.1
man pagepkey_alloc(2)
sourceelixir.bootlin.com

Registers

registervalue
v0525, the syscall number
a0unsigned long flags
a1unsigned long init_val
v0the return value

Then run callsys to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/alpha/pkey_alloc