61 static inline int ib_umem_offset(struct ib_umem *umem)  in ib_umem_offset()  argument
63 	return umem->address & ((unsigned long)umem->page_size - 1);  in ib_umem_offset()
67 static inline unsigned long ib_umem_start(struct ib_umem *umem)  in ib_umem_start()  argument
69 	return umem->address - ib_umem_offset(umem);  in ib_umem_start()
73 static inline unsigned long ib_umem_end(struct ib_umem *umem)  in ib_umem_end()  argument
75 	return PAGE_ALIGN(umem->address + umem->length);  in ib_umem_end()
78 static inline size_t ib_umem_num_pages(struct ib_umem *umem)  in ib_umem_num_pages()  argument
80 	return (ib_umem_end(umem) - ib_umem_start(umem)) >> PAGE_SHIFT;  in ib_umem_num_pages()
87 void ib_umem_release(struct ib_umem *umem);
88 int ib_umem_page_count(struct ib_umem *umem);
89 int ib_umem_copy_from(void *dst, struct ib_umem *umem, size_t offset,
101 static inline void ib_umem_release(struct ib_umem *umem) { }  in ib_umem_release()  argument
102 static inline int ib_umem_page_count(struct ib_umem *umem) { return 0; }  in ib_umem_page_count()  argument
103 static inline int ib_umem_copy_from(void *dst, struct ib_umem *umem, size_t offset,  in ib_umem_copy_from()  argument