madvise on ia32

give advice about use of memory

sys_madvise(unsigned long start, size_t len, int behavior)
number219 (0xdb)
abii386
kconfigCONFIG_ADVISE_SYSCALLS
entry pointsys_madvise
sinceLinux 3.3 or earlier (3.3 is the first release scanned for ia32)
man pagemadvise(2)
sourceelixir.bootlin.com

Registers

registervalue
eax219, the syscall number
ebxunsigned long start
ecxsize_t len
edxint behavior
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/madvise