include/linux/pagewalk.h

1 /* SPDX-License-Identifier: GPL-2.0 */
13 	/* vma will be write-locked during the walk */
15 	/* vma is expected to be already write-locked during the walk */
20  * struct mm_walk_ops - callbacks for walk_page_range
21  * @pgd_entry:		if set, called for each non-empty PGD (top-level) entry
22  * @p4d_entry:		if set, called for each non-empty P4D entry
23  * @pud_entry:		if set, called for each non-empty PUD entry
24  * @pmd_entry:		if set, called for each non-empty PMD entry
28  * @pte_entry:		if set, called for each PTE (lowest-level) entry,
29  *			including empty ones
31  *			depth is -1 if not known, 0:PGD, 1:P4D, 2:PUD, 3:PMD.
42  *			those items after re-acquiring the vma lock and before
51  * @pre_vma:            if set, called before starting walk on a non-null vma.
52  * @post_vma:           if set, called after a walk on a non-null vma, provided
96  * struct mm_walk - walk_page_range data
151  * struct folio_walk - folio_walk_start() / folio_walk_end() data
185 	spin_unlock((__fw)->ptl); \
186 	if (likely((__fw)->level == FW_LEVEL_PTE)) \
187 		pte_unmap((__fw)->ptep); \