From: Andrew Morton <akpm@linux-foundation.org>

alpha:

In file included from include/linux/ipc_namespace.h:5,
                 from ipc/namespace.c:8:
include/linux/idr.h:118: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'idr_init_cache'

Cc: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 idr.c               |    0 
 include/linux/idr.h |    1 +
 2 files changed, 1 insertion(+)

diff -puN include/linux/idr.h~idr-create-idr_layer_cache-at-boot-time-fix-fix include/linux/idr.h
--- a/include/linux/idr.h~idr-create-idr_layer_cache-at-boot-time-fix-fix
+++ a/include/linux/idr.h
@@ -14,6 +14,7 @@
 
 #include <linux/types.h>
 #include <linux/bitops.h>
+#include <linux/init.h>
 
 #if BITS_PER_LONG == 32
 # define IDR_BITS 5
diff -puN init/main.c~idr-create-idr_layer_cache-at-boot-time-fix-fix init/main.c
diff -puN lib/idr.c~idr-create-idr_layer_cache-at-boot-time-fix-fix lib/idr.c
_