diff options
Diffstat (limited to 'include/linux/percpu.h')
-rw-r--r-- | include/linux/percpu.h | 30 |
1 files changed, 5 insertions, 25 deletions
diff --git a/include/linux/percpu.h b/include/linux/percpu.h index a93e5bfdccb8..c7845130bfdf 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h | |||
@@ -2,10 +2,10 @@ | |||
2 | #define __LINUX_PERCPU_H | 2 | #define __LINUX_PERCPU_H |
3 | 3 | ||
4 | #include <linux/preempt.h> | 4 | #include <linux/preempt.h> |
5 | #include <linux/slab.h> /* For kmalloc() */ | ||
6 | #include <linux/smp.h> | 5 | #include <linux/smp.h> |
7 | #include <linux/cpumask.h> | 6 | #include <linux/cpumask.h> |
8 | #include <linux/pfn.h> | 7 | #include <linux/pfn.h> |
8 | #include <linux/init.h> | ||
9 | 9 | ||
10 | #include <asm/percpu.h> | 10 | #include <asm/percpu.h> |
11 | 11 | ||
@@ -135,9 +135,6 @@ extern int __init pcpu_page_first_chunk(size_t reserved_size, | |||
135 | #define per_cpu_ptr(ptr, cpu) SHIFT_PERCPU_PTR((ptr), per_cpu_offset((cpu))) | 135 | #define per_cpu_ptr(ptr, cpu) SHIFT_PERCPU_PTR((ptr), per_cpu_offset((cpu))) |
136 | 136 | ||
137 | extern void __percpu *__alloc_reserved_percpu(size_t size, size_t align); | 137 | extern void __percpu *__alloc_reserved_percpu(size_t size, size_t align); |
138 | extern void __percpu *__alloc_percpu(size_t size, size_t align); | ||
139 | extern void free_percpu(void __percpu *__pdata); | ||
140 | extern phys_addr_t per_cpu_ptr_to_phys(void *addr); | ||
141 | 138 | ||
142 | #ifndef CONFIG_HAVE_SETUP_PER_CPU_AREA | 139 | #ifndef CONFIG_HAVE_SETUP_PER_CPU_AREA |
143 | extern void __init setup_per_cpu_areas(void); | 140 | extern void __init setup_per_cpu_areas(void); |
@@ -147,27 +144,6 @@ extern void __init setup_per_cpu_areas(void); | |||
147 | 144 | ||
148 | #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); }) | 145 | #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); }) |
149 | 146 | ||
150 | static inline void __percpu *__alloc_percpu(size_t size, size_t align) | ||
151 | { | ||
152 | /* | ||
153 | * Can't easily make larger alignment work with kmalloc. WARN | ||
154 | * on it. Larger alignment should only be used for module | ||
155 | * percpu sections on SMP for which this path isn't used. | ||
156 | */ | ||
157 | WARN_ON_ONCE(align > SMP_CACHE_BYTES); | ||
158 | return kzalloc(size, GFP_KERNEL); | ||
159 | } | ||
160 | |||
161 | static inline void free_percpu(void __percpu *p) | ||
162 | { | ||
163 | kfree(p); | ||
164 | } | ||
165 | |||
166 | static inline phys_addr_t per_cpu_ptr_to_phys(void *addr) | ||
167 | { | ||
168 | return __pa(addr); | ||
169 | } | ||
170 | |||
171 | static inline void __init setup_per_cpu_areas(void) { } | 147 | static inline void __init setup_per_cpu_areas(void) { } |
172 | 148 | ||
173 | static inline void *pcpu_lpage_remapped(void *kaddr) | 149 | static inline void *pcpu_lpage_remapped(void *kaddr) |
@@ -177,6 +153,10 @@ static inline void *pcpu_lpage_remapped(void *kaddr) | |||
177 | 153 | ||
178 | #endif /* CONFIG_SMP */ | 154 | #endif /* CONFIG_SMP */ |
179 | 155 | ||
156 | extern void __percpu *__alloc_percpu(size_t size, size_t align); | ||
157 | extern void free_percpu(void __percpu *__pdata); | ||
158 | extern phys_addr_t per_cpu_ptr_to_phys(void *addr); | ||
159 | |||
180 | #define alloc_percpu(type) \ | 160 | #define alloc_percpu(type) \ |
181 | (typeof(type) __percpu *)__alloc_percpu(sizeof(type), __alignof__(type)) | 161 | (typeof(type) __percpu *)__alloc_percpu(sizeof(type), __alignof__(type)) |
182 | 162 | ||