Re: [PATCH] [RFC] vm: add a syscall to map a process memory into a pipe

[Andrei Vagin]

 Hi Michael,

On Mon, Oct 30, 2017 at 01:47:31PM +0100, Michael Kerrisk (man-pages) wrote:
> On 10 August 2017 at 20:46, Andrei Vagin <avagin@xxxxxxxxxx> wrote:
> > It is a hybrid of process_vm_readv() and vmsplice().
> >
> > vmsplice can map memory from a current address space into a pipe.
> > process_vm_readv can read memory of another process.
> >
> > A new system call can map memory of another process into a pipe.
> >
> > ssize_t process_vmsplice(pid_t pid, int fd, const struct iovec *iov,
> >                         unsigned long nr_segs, unsigned int flags)
> >
> > All arguments are identical with vmsplice except pid which specifies a
> > target process.
> 
> Can we have a man page for this new syscall please?

I think we can add a description for process_vmsplice into
man2/vmsplice.2. The patch is attached.

Thanks,
Andrei

> 
> Thanks,
> 
> Michael
> 
>