Cregit: Linux 7.0: mmu.h

Contributors: 8
Author	Tokens	Token Proportion	Commits	Commit Proportion
Martin Schwidefsky	36	47.37%	9	47.37%
Linus Torvalds (pre-git)	16	21.05%	2	10.53%
Heiko Carstens	10	13.16%	2	10.53%
David Hildenbrand	7	9.21%	1	5.26%
Claudio Imbrenda	4	5.26%	2	10.53%
Greg Kroah-Hartman	1	1.32%	1	5.26%
Gerald Schaefer	1	1.32%	1	5.26%
Alexander Gordeev	1	1.32%	1	5.26%
Total	76		19

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MMU_H
#define __MMU_H

#include <linux/cpumask.h>
#include <linux/errno.h>
#include <asm/asm-extable.h>

typedef struct {
	spinlock_t lock;
	cpumask_t cpu_attach_mask;
	atomic_t flush_count;
	unsigned int flush_mm;
	struct list_head gmap_list;
	unsigned long gmap_asce;
	unsigned long asce;
	unsigned long asce_limit;
	unsigned long vdso_base;
	/* The mmu context belongs to a secure guest. */
	atomic_t protected_count;
	/*
	 * The mmu context allows COW-sharing of memory pages (KSM, zeropage).
	 * Note that COW-sharing during fork() is currently always allowed.
	 */
	unsigned int allow_cow_sharing:1;
} mm_context_t;

#define INIT_MM_CONTEXT(name)						   \
	.context.lock =	__SPIN_LOCK_UNLOCKED(name.context.lock),	   \
	.context.gmap_list = LIST_HEAD_INIT(name.context.gmap_list),

#endif