tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 1c9e4561f3b2afffcda007eae9d0ddd25525f50e
commit: fa44abcad042144651fa9cd0f698c7c40a59d60f [2145/2346] common: dma-mapping: introduce common remapping functions
config: make ARCH=microblaze nommu_defconfig
All error/warnings:
drivers/built-in.o: In function `dma_common_pages_remap':
>> drivers/base/dma-mapping.c:311: undefined reference to `get_vm_area_caller'
>> drivers/base/dma-mapping.c:315: undefined reference to `map_vm_area'
drivers/built-in.o: In function `dma_common_free_remap':
>> drivers/base/dma-mapping.c:328: undefined reference to `find_vm_area'
vim +311 drivers/base/dma-mapping.c
305 void *dma_common_pages_remap(struct page **pages, size_t size,
306 unsigned long vm_flags, pgprot_t prot,
307 const void *caller)
308 {
309 struct vm_struct *area;
310
> 311 area = get_vm_area_caller(size, vm_flags, caller);
312 if (!area)
313 return NULL;
314
315 if (map_vm_area(area, prot, pages)) {
316 vunmap(area->addr);
317 return NULL;
318 }
319
320 return area->addr;
321 }
322
323 /*
324 * unmaps a range previously mapped by dma_common_*_remap
325 */
326 void dma_common_free_remap(void *cpu_addr, size_t size, unsigned long vm_flags)
327 {
328 struct vm_struct *area = find_vm_area(cpu_addr);
329
330 if (!area || (area->flags & vm_flags) != vm_flags) {
331 WARN(1, "trying to free invalid coherent area: %p\n", cpu_addr);
---
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