X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fpercpu.h;h=1ac969724bb2fff929c397be1cbdcdf007a61953;hb=90a1ba0c5e39eeea278f263c28ae02166c5911c8;hp=926adaae0f9610885d5d64e341410a9b96900312;hpb=d9ff963801e4f7648c55a27413a1b1de59480a30;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 926adaae0f9..1ac969724bb 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -9,6 +9,26 @@
 
 #include <asm/percpu.h>
 
+#ifdef CONFIG_SMP
+#define DEFINE_PER_CPU(type, name)					\
+	__attribute__((__section__(".data.percpu")))			\
+	PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name
+
+#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name)			\
+	__attribute__((__section__(".data.percpu.shared_aligned")))	\
+	PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name		\
+	____cacheline_aligned_in_smp
+#else
+#define DEFINE_PER_CPU(type, name)					\
+	PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name
+
+#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name)		      \
+	DEFINE_PER_CPU(type, name)
+#endif
+
+#define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var)
+#define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var)
+
 /* Enough to cover all DEFINE_PER_CPUs in kernel, including modules. */
 #ifndef PERCPU_ENOUGH_ROOM
 #ifdef CONFIG_MODULES
@@ -34,7 +54,7 @@
 #ifdef CONFIG_SMP
 
 struct percpu_data {
-	void *ptrs[NR_CPUS];
+	void *ptrs[1];
 };
 
 #define __percpu_disguise(pdata) (struct percpu_data *)~(unsigned long)(pdata)