On Monday 07 December 2015 15:54:07 Shaohua Li wrote:
> index dc1040a..08466c7 100644
> --- a/arch/x86/entry/syscalls/syscall_64.tbl
> +++ b/arch/x86/entry/syscalls/syscall_64.tbl
> @@ -333,6 +333,7 @@
> 324 common membarrier sys_membarrier
> 325 common mlock2 sys_mlock2
> 326 common copy_file_range sys_copy_file_range
> +327 common madvisev sys_madvisev
>
> #
> # x32-specific system call numbers start at 512 to avoid cache impact
>
An iovec has different sizes on 32-bit and 64-bit user space, so I think
it can't be marked "common" here and you need to implement a
compat_sys_madvisev function instead.
Arnd
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