Merge branch 'server-cluster-locking-api' of git://linux-nfs.org/~bfields/linux

[linux-2.6] / include / asm-generic / percpu.h

diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index e160e04290fb9ed2e0977e0a460a49ec18f62a81..d984a90414361b8f087cfcc83e8f15b3dcbe2989 100644 (file)
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -1,6 +1,7 @@
 #ifndef _ASM_GENERIC_PERCPU_H_
 #define _ASM_GENERIC_PERCPU_H_
 #include <linux/compiler.h>
+#include <linux/threads.h>
 
 #define __GENERIC_PER_CPU
 #ifdef CONFIG_SMP
@@ -14,7 +15,9 @@ extern unsigned long __per_cpu_offset[NR_CPUS];
     __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name
 
 /* var is in discarded region: offset to particular copy we want */
-#define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu]))
+#define per_cpu(var, cpu) (*({                         \
+       extern int simple_identifier_##var(void);       \
+       RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu]); }))
 #define __get_cpu_var(var) per_cpu(var, smp_processor_id())
 #define __raw_get_cpu_var(var) per_cpu(var, raw_smp_processor_id())