23 static int pci_epc_mem_get_order(struct pci_epc_mem *mem, size_t size)  in pci_epc_mem_get_order()  argument
26 	unsigned int page_shift = ilog2(mem->page_size);  in pci_epc_mem_get_order()
52 	struct pci_epc_mem *mem;  in __pci_epc_mem_init()  local
65 	mem = kzalloc(sizeof(*mem), GFP_KERNEL);  in __pci_epc_mem_init()
66 	if (!mem) {  in __pci_epc_mem_init()
77 	mem->bitmap = bitmap;  in __pci_epc_mem_init()
78 	mem->phys_base = phys_base;  in __pci_epc_mem_init()
79 	mem->page_size = page_size;  in __pci_epc_mem_init()
80 	mem->pages = pages;  in __pci_epc_mem_init()
81 	mem->size = size;  in __pci_epc_mem_init()
83 	epc->mem = mem;  in __pci_epc_mem_init()
88 	kfree(mem);  in __pci_epc_mem_init()
104 	struct pci_epc_mem *mem = epc->mem;  in pci_epc_mem_exit()  local
106 	epc->mem = NULL;  in pci_epc_mem_exit()
107 	kfree(mem->bitmap);  in pci_epc_mem_exit()
108 	kfree(mem);  in pci_epc_mem_exit()
126 	struct pci_epc_mem *mem = epc->mem;  in pci_epc_mem_alloc_addr()  local
127 	unsigned int page_shift = ilog2(mem->page_size);  in pci_epc_mem_alloc_addr()
130 	size = ALIGN(size, mem->page_size);  in pci_epc_mem_alloc_addr()
131 	order = pci_epc_mem_get_order(mem, size);  in pci_epc_mem_alloc_addr()
133 	pageno = bitmap_find_free_region(mem->bitmap, mem->pages, order);  in pci_epc_mem_alloc_addr()
137 	*phys_addr = mem->phys_base + (pageno << page_shift);  in pci_epc_mem_alloc_addr()
140 		bitmap_release_region(mem->bitmap, pageno, order);  in pci_epc_mem_alloc_addr()
159 	struct pci_epc_mem *mem = epc->mem;  in pci_epc_mem_free_addr()  local
160 	unsigned int page_shift = ilog2(mem->page_size);  in pci_epc_mem_free_addr()
164 	pageno = (phys_addr - mem->phys_base) >> page_shift;  in pci_epc_mem_free_addr()
165 	size = ALIGN(size, mem->page_size);  in pci_epc_mem_free_addr()
166 	order = pci_epc_mem_get_order(mem, size);  in pci_epc_mem_free_addr()
167 	bitmap_release_region(mem->bitmap, pageno, order);  in pci_epc_mem_free_addr()