22d55f02b8
Use linux generic asid/vmid algorithm to implement csky switch_mm function. The algorithm is from arm and it could work with SMP system. It'll help reduce tlb flush for switch_mm in task/vm switch. Signed-off-by: Guo Ren <ren_guo@c-sky.com> Cc: Arnd Bergmann <arnd@arndb.de>
13 lines
245 B
C
13 lines
245 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
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#ifndef __ASM_CSKY_MMU_H
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#define __ASM_CSKY_MMU_H
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typedef struct {
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atomic64_t asid;
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void *vdso;
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} mm_context_t;
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#endif /* __ASM_CSKY_MMU_H */
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