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62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/*-
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* Copyright (c) 2010 Isilon Systems, Inc.
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* Copyright (c) 2010 iX Systems, Inc.
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* Copyright (c) 2010 Panasas, Inc.
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* Copyright (c) 2013-2017 Mellanox Technologies, Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUXKPI_LINUX_COMPAT_H_
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#define _LINUXKPI_LINUX_COMPAT_H_
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/malloc.h>
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struct domainset;
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struct thread;
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struct task_struct;
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extern int linux_alloc_current(struct thread *, int flags);
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extern void linux_free_current(struct task_struct *);
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extern struct domainset *linux_get_vm_domain_set(int node);
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static inline void
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linux_set_current(struct thread *td)
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{
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if (__predict_false(td->td_lkpi_task == NULL))
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lkpi_alloc_current(td, M_WAITOK);
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}
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static inline int
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linux_set_current_flags(struct thread *td, int flags)
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{
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if (__predict_false(td->td_lkpi_task == NULL))
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return (lkpi_alloc_current(td, flags));
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return (0);
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}
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#define compat_ptr(x) ((void *)(uintptr_t)x)
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#define ptr_to_compat(x) ((uintptr_t)x)
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#endif /* _LINUXKPI_LINUX_COMPAT_H_ */
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