readahead on nds32

initiate file readahead into page cache

sys_readahead(int fd, loff_t offset, size_t count)
number213 (0xd5)
abicommon
entry pointsys_readahead
sinceLinux 4.17 or earlier (4.17 is the first release scanned for nds32)
man pagereadahead(2)
sourceelixir.bootlin.com

Registers

registervalue
r15213, the syscall number
r0int fd
r1loff_t offset
r2size_t count
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/readahead?kernel=all