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    Copyright (c) 2018 NVIDIA Corporation

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#ifndef __UVM8_POPULATE_PAGEABLE_H__
#define __UVM8_POPULATE_PAGEABLE_H__

// Populate the pages of the given vma that overlap with the
// [start:start+length) range. If any of the pages was not populated, we return
// NV_ERR_NO_MEMORY.
//
// Locking: vma->vm_mm->mmap_sem must be held in read or write mode
NV_STATUS uvm_populate_pageable_vma(struct vm_area_struct *vma,
                                    unsigned long start,
                                    unsigned long length,
                                    int min_prot);

// Populate all the pages in the given range by calling get_user_pages. The
// range must be fully backed by vmas. If any of the pages was not populated,
// we return NV_ERR_NO_MEMORY.
//
// Locking: mm->mmap_sem must be held in read or write mode
NV_STATUS uvm_populate_pageable(struct mm_struct *mm,
                                unsigned long start,
                                unsigned long length,
                                int min_prot);

#endif
