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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Helper functions for KVM guest address space mapping code
*
* Copyright IBM Corp. 2025
*/
#ifndef _ASM_S390_GMAP_HELPERS_H
#define _ASM_S390_GMAP_HELPERS_H
void gmap_helper_zap_one_page(struct mm_struct *mm, unsigned long vmaddr);
void gmap_helper_discard(struct mm_struct *mm, unsigned long vmaddr, unsigned long end);
int gmap_helper_disable_cow_sharing(void);
void gmap_helper_try_set_pte_unused(struct mm_struct *mm, unsigned long vmaddr);
pte_t *try_get_locked_pte(struct mm_struct *mm, unsigned long addr, spinlock_t **ptl);
#endif /* _ASM_S390_GMAP_HELPERS_H */
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