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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _LINUX_PTDUMP_H
- #define _LINUX_PTDUMP_H
- #include <linux/mm_types.h>
- struct ptdump_range {
- unsigned long start;
- unsigned long end;
- };
- struct ptdump_state {
- /* level is 0:PGD to 4:PTE, or -1 if unknown */
- void (*note_page)(struct ptdump_state *st, unsigned long addr,
- int level, u64 val);
- void (*effective_prot)(struct ptdump_state *st, int level, u64 val);
- const struct ptdump_range *range;
- };
- void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd);
- #endif /* _LINUX_PTDUMP_H */
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