mirror of https://gitee.com/openkylin/linux.git
22 lines
606 B
C
22 lines
606 B
C
/* Handle the cache being disabled
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*
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* Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#include <linux/mm.h>
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/*
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* allow userspace to flush the instruction cache
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*/
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asmlinkage long sys_cacheflush(unsigned long start, unsigned long end)
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{
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if (end < start)
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return -EINVAL;
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return 0;
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}
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