readahead on tilegx

initiate file readahead into page cache

sys_readahead(int fd, loff_t offset, size_t count)
number213 (0xd5)
abicommon
entry pointsys_readahead
sinceLinux 3.7 or earlier (3.7 is the first release scanned for tilegx)
man pagereadahead(2)
sourceelixir.bootlin.com

Registers

registervalue
r10213, the syscall number
r0int fd
r1loff_t offset
r2size_t count
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/readahead?kernel=all