From c61c70384fad407bfcb066c3fb9271164d630212 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 5 Feb 2014 10:22:50 -0500
Subject: [PATCH] untangling process_vm_..., part 2

move iov to caller's stack frame; the value we assign to it on the
next call of process_vm_rw_pages() is equal to the value it had
when the last time we were leaving process_vm_rw_pages().

drop lvec argument of process_vm_rw_pages() - it's not used anymore.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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