From addf2c739d9015d3e9c0500b58a3af051cd58ea7 Mon Sep 17 00:00:00 2001
From: Paul Menage <menage@google.com>
Date: Tue, 29 Apr 2008 01:00:26 -0700
Subject: [PATCH] Cpuset hardwall flag: switch cpusets to use the bulk
 cgroup_add_files() API

Currently the cpusets mem_exclusive flag is overloaded to mean both
"no-overlapping" and "no GFP_KERNEL allocations outside this cpuset".

These patches add a new mem_hardwall flag with just the allocation restriction
part of the mem_exclusive semantics, without breaking backwards-compatibility
for those who continue to use just mem_exclusive.  Additionally, the cgroup
control file registration for cpusets is cleaned up to reduce boilerplate.

This patch:

This change tidies up the cpusets control file definitions, and reduces the
amount of boilerplate required to add/change control files in the future.

Signed-off-by: Paul Menage <menage@google.com>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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