FreeBSD/Linux Kernel Cross Reference
sys/compat/linuxkpi/common/include/linux/shmem_fs.h

     /*-
      * Copyright (c) 2010 Isilon Systems, Inc.
      * Copyright (c) 2010 iX Systems, Inc.
      * Copyright (c) 2010 Panasas, Inc.
      * Copyright (c) 2013-2018 Mellanox Technologies, Ltd.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice unmodified, this list of conditions, and the following
     *    disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    #ifndef _LINUXKPI_LINUX_SHMEM_FS_H_
    #define _LINUXKPI_LINUX_SHMEM_FS_H_
    
    /* Shared memory support */
    unsigned long linux_invalidate_mapping_pages(vm_object_t, pgoff_t, pgoff_t);
    struct page *linux_shmem_read_mapping_page_gfp(vm_object_t, int, gfp_t);
    struct linux_file *linux_shmem_file_setup(const char *, loff_t, unsigned long);
    void linux_shmem_truncate_range(vm_object_t, loff_t, loff_t);
    
    #define invalidate_mapping_pages(...) \
      linux_invalidate_mapping_pages(__VA_ARGS__)
    
    #define shmem_read_mapping_page(...) \
      linux_shmem_read_mapping_page_gfp(__VA_ARGS__, 0)
    
    #define shmem_read_mapping_page_gfp(...) \
      linux_shmem_read_mapping_page_gfp(__VA_ARGS__)
    
    #define shmem_file_setup(...) \
      linux_shmem_file_setup(__VA_ARGS__)
    
    #define shmem_truncate_range(...) \
      linux_shmem_truncate_range(__VA_ARGS__)
    
    #endif /* _LINUXKPI_LINUX_SHMEM_FS_H_ */

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