[PATCH] include/linux/res_counter.h: fixup commit 9259826ccb8165f797e4c2c9d17925b41af5f6ae

[Chen Gang]

  still need include linux/errno.h for EBUSY.

additional info:
  make command:
    make EXTRA_CFLAGS=-W V=1 ARCH=arm allmodconfig
    make EXTRA_CFLAGS=-W V=1 ARCH=arm
  error report:
    In file included from mm/memcontrol.c:28:0:
    include/linux/res_counter.h: in function ‘res_counter_set_limit’:
    include/linux/res_counter.h:204:13: error ：‘EBUSY’ is not declared.


Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
---
 include/linux/res_counter.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/linux/res_counter.h b/include/linux/res_counter.h
index a83a849..f9822dc 100644
--- a/include/linux/res_counter.h
+++ b/include/linux/res_counter.h
@@ -13,6 +13,7 @@
  * info about what this counter is.
  */
 
+#include <linux/errno.h>
 #include <linux/spinlock.h>
 
 /*
-- 
1.7.7.6
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