readahead on frv

initiate file readahead into page cache

sys_readahead(int fd, loff_t offset, size_t count)
number225 (0xe1)
abicommon
entry pointsys_readahead
sinceLinux 3.3 or earlier (3.3 is the first release scanned for frv)
man pagereadahead(2)
sourceelixir.bootlin.com

Registers

registervalue
gr7225, the syscall number
gr8int fd
gr9loff_t offset
gr10size_t count
gr8the return value

Then run tira gr0, 0 to enter the kernel.

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/frv/readahead?kernel=all