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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-29 11:43:30 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-29 11:43:30 -0700 |
| commit | eefbab599531240adaffa1d23900afbc8b0342bd (patch) | |
| tree | 2beb38a94aca40c7e5a0396503968d041e584bf9 /include | |
| parent | 90f1e7481eebfd47e7dbf7c8c0cbfe31e025e031 (diff) | |
| parent | 3062aa50a6b2c3103470178fe7506c450d79ebe5 (diff) | |
Merge branch 'frv' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-frv
* 'frv' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-frv:
FRV: Use generic show_interrupts()
FRV: Convert genirq namespace
frv: Select GENERIC_HARDIRQS_NO_DEPRECATED
frv: Convert cpu irq_chip to new functions
frv: Convert mb93493 irq_chip to new functions
frv: Convert mb93093 irq_chip to new function
frv: Convert mb93091 irq_chip to new functions
frv: Fix typo from __do_IRQ overhaul
frv: Remove stale irq_chip.end
FRV: Do some cleanups
FRV: Missing node arg in alloc_thread_info_node() macro
NOMMU: implement access_remote_vm
NOMMU: support SMP dynamic percpu_alloc
NOMMU: percpu should use is_vmalloc_addr().
Diffstat (limited to 'include')
| -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 4ed6fcd6b72..9332e52ea8c 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 */ |