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author | Paul Mundt <lethal@linux-sh.org> | 2011-03-31 10:39:47 +0400 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2011-03-31 10:39:47 +0400 |
commit | 7ea5db8efeac8627500e012aa6829ca612c5a700 (patch) | |
tree | 90e4de22f60b989dcf0f0d7436978c0b463d5827 /include/linux/vmalloc.h | |
parent | eee7631fdf8ae63c4f24daf66981ac1a7b55d7fd (diff) | |
parent | 6aba74f2791287ec407e0f92487a725a25908067 (diff) | |
download | linux-7ea5db8efeac8627500e012aa6829ca612c5a700.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh-latest
Diffstat (limited to 'include/linux/vmalloc.h')
-rw-r--r-- | include/linux/vmalloc.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 4ed6fcd6b726..9332e52ea8c2 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -95,10 +95,27 @@ extern struct vm_struct *remove_vm_area(const void *addr); extern int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages); +#ifdef CONFIG_MMU extern int map_kernel_range_noflush(unsigned long start, unsigned long size, pgprot_t prot, struct page **pages); extern void unmap_kernel_range_noflush(unsigned long addr, unsigned long size); extern void unmap_kernel_range(unsigned long addr, unsigned long size); +#else +static inline int +map_kernel_range_noflush(unsigned long start, unsigned long size, + pgprot_t prot, struct page **pages) +{ + return size >> PAGE_SHIFT; +} +static inline void +unmap_kernel_range_noflush(unsigned long addr, unsigned long size) +{ +} +static inline void +unmap_kernel_range(unsigned long addr, unsigned long size) +{ +} +#endif /* Allocate/destroy a 'vmalloc' VM area. */ extern struct vm_struct *alloc_vm_area(size_t size); @@ -116,11 +133,26 @@ extern struct vm_struct *vmlist; extern __init void vm_area_register_early(struct vm_struct *vm, size_t align); #ifdef CONFIG_SMP +# ifdef CONFIG_MMU struct vm_struct **pcpu_get_vm_areas(const unsigned long *offsets, const size_t *sizes, int nr_vms, size_t align); void pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms); +# else +static inline struct vm_struct ** +pcpu_get_vm_areas(const unsigned long *offsets, + const size_t *sizes, int nr_vms, + size_t align) +{ + return NULL; +} + +static inline void +pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms) +{ +} +# endif #endif #endif /* _LINUX_VMALLOC_H */ |