Cregit: Linux 5.8: segment.h

Contributors: 4
Author	Tokens	Token Proportion	Commits	Commit Proportion
Richard Weinberger	25	50.00%	1	25.00%
Paolo 'Blaisorblade' Giarrusso	16	32.00%	1	25.00%
Jeff Dike	8	16.00%	1	25.00%
Greg Kroah-Hartman	1	2.00%	1	25.00%
Total	50		4

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

extern int host_gdt_entry_tls_min;

#define GDT_ENTRY_TLS_ENTRIES 3
#define GDT_ENTRY_TLS_MIN host_gdt_entry_tls_min
#define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)

typedef struct {
	unsigned long seg;
} mm_segment_t;

#define MAKE_MM_SEG(s)	((mm_segment_t) { (s) })
#define KERNEL_DS	MAKE_MM_SEG(~0UL)
#define USER_DS		MAKE_MM_SEG(TASK_SIZE)

#endif