static void * __dma_alloc_remap(struct page *page, size_t size, gfp_t gfp, pgprot_t prot, const void *caller) {
- struct arm_vmregion *c;
- size_t align;
- int bit;
- struct vm_struct *area;
- unsigned long addr;
- if (!consistent_pte) {
printk(KERN_ERR "%s: not initialised\n", __func__);
- area = get_vm_area_caller(size, VM_DMA | VM_USERMAP, caller);
In this patch, VM_DMA is only used here. So, is this no effect?