From 206cb636576b969e9b471cdedeaea7752e6acb33 Mon Sep 17 00:00:00 2001
From: Stephen Wilson <wilsons@start.ca>
Date: Sun, 13 Mar 2011 15:49:19 -0400
Subject: [PATCH] mm: factor out main logic of access_process_vm

Introduce an internal helper __access_remote_vm and base access_process_vm on
top of it.  This new method may be called with a NULL task_struct if page fault
accounting is not desired.  This code will be shared with a new address space
accessor that is independent of task_struct.

Signed-off-by: Stephen Wilson <wilsons@start.ca>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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