[deliverable/linux.git] / arch / tile / include / asm / mmu.h

/*
 * Copyright 2010 Tilera Corporation. All Rights Reserved.
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
 *   as published by the Free Software Foundation, version 2.
 *
 *   This program is distributed in the hope that it will be useful, but
 *   WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
 *   NON INFRINGEMENT.  See the GNU General Public License for
 *   more details.
 */

#ifndef _ASM_TILE_MMU_H
#define _ASM_TILE_MMU_H

/* Capture any arch- and mm-specific information. */
struct mm_context {
	/*
	 * Written under the mmap_sem semaphore; read without the
	 * semaphore but atomically, but it is conservatively set.
	 */
	unsigned long priority_cached;
	unsigned long vdso_base;
};

typedef struct mm_context mm_context_t;

void leave_mm(int cpu);

#endif /* _ASM_TILE_MMU_H */
Commit	Line	Data
867e359b CM	1	/*
	2	* Copyright 2010 Tilera Corporation. All Rights Reserved.
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License
	6	* as published by the Free Software Foundation, version 2.
	7	*
	8	* This program is distributed in the hope that it will be useful, but
	9	* WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
	11	* NON INFRINGEMENT. See the GNU General Public License for
	12	* more details.
	13	*/
	14
	15	#ifndef _ASM_TILE_MMU_H
	16	#define _ASM_TILE_MMU_H
	17
	18	/* Capture any arch- and mm-specific information. */
	19	struct mm_context {
	20	/*
	21	* Written under the mmap_sem semaphore; read without the
	22	* semaphore but atomically, but it is conservatively set.
	23	*/
d5d14ed6	24	unsigned long priority_cached;
4a556f4f	25	unsigned long vdso_base;
867e359b CM	26	};
	27
	28	typedef struct mm_context mm_context_t;
	29
	30	void leave_mm(int cpu);
	31
	32	#endif /* _ASM_TILE_MMU_H */