#ifndef IO_URING_MEMMAP_H #define IO_URING_MEMMAP_H struct page **io_pin_pages(unsigned long ubuf, unsigned long len, int *npages); void io_pages_free(struct page ***pages, int npages); int io_uring_mmap_pages(struct io_ring_ctx *ctx, struct vm_area_struct *vma, struct page **pages, int npages); void *io_pages_map(struct page ***out_pages, unsigned short *npages, size_t size); void io_pages_unmap(void *ptr, struct page ***pages, unsigned short *npages, bool put_pages); void *__io_uaddr_map(struct page ***pages, unsigned short *npages, unsigned long uaddr, size_t size); #ifndef CONFIG_MMU unsigned int io_uring_nommu_mmap_capabilities(struct file *file); #endif unsigned long io_uring_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags); int io_uring_mmap(struct file *file, struct vm_area_struct *vma); #endif