diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/percpu.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 4cdd393e71e1..3d1a7f6cc738 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -23,13 +23,35 @@ __attribute__((__section__(SHARED_ALIGNED_SECTION))) \ PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name \ ____cacheline_aligned_in_smp + +#define DEFINE_PER_CPU_PAGE_ALIGNED(type, name) \ + __attribute__((__section__(".data.percpu.page_aligned"))) \ + PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name + +#ifdef CONFIG_HAVE_ZERO_BASED_PER_CPU +#define DEFINE_PER_CPU_FIRST(type, name) \ + __attribute__((__section__(".data.percpu.first"))) \ + PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name #else +#define DEFINE_PER_CPU_FIRST(type, name) \ + DEFINE_PER_CPU(type, name) +#endif + +#else /* !CONFIG_SMP */ + #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 DEFINE_PER_CPU_PAGE_ALIGNED(type, name) \ + DEFINE_PER_CPU(type, name) + +#define DEFINE_PER_CPU_FIRST(type, name) \ + DEFINE_PER_CPU(type, name) + +#endif /* !CONFIG_SMP */ #define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var) #define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var) |