readahead on ia32

initiate file readahead into page cache

sys_ia32_readahead(int fd, loff_t offset, size_t count)
number225 (0xe1)
abii386
entry pointsys_ia32_readahead
sinceLinux 3.3 or earlier (3.3 is the first release scanned for ia32)
man pagereadahead(2)
sourceelixir.bootlin.com

Registers

registervalue
eax225, the syscall number
ebxint fd
ecxloff_t offset
edxsize_t count
eaxthe return value

Then run int 0x80 to enter the kernel.

This compat ABI is only available when the kernel is built with CONFIG_IA32_EMULATION.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/ia32/readahead