munmap on tilegx

map or unmap files or devices into memory

sys_munmap(unsigned long addr, size_t len)
number215 (0xd7)
abicommon
entry pointsys_munmap
sinceLinux 3.7 or earlier (3.7 is the first release scanned for tilegx)
man pagemunmap(2)
sourceelixir.bootlin.com

Registers

registervalue
r10215, the syscall number
r0unsigned long addr
r1size_t len
r0the return value

Then run swint1 to enter the kernel.

The kernel uses r1 to signal an error.

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/tilegx/munmap?kernel=all