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

     /*-
      * SPDX-License-Identifier: BSD-2-Clause
      *
      * Copyright (c) 2020 The FreeBSD Foundation
      *
      * This software was developed by Björn Zeeb under sponsorship from
      * the FreeBSD Foundation.
      *
      * 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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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_DEVCOREDUMP_H
    #define _LINUXKPI_LINUX_DEVCOREDUMP_H
    
    #include <linux/slab.h>
    #include <linux/scatterlist.h>
    #include <linux/device.h>
    
    static inline void
    _lkpi_dev_coredumpsg_free(struct scatterlist *table)
    {
            struct scatterlist *iter;
            struct page *p;
            int i;
    
            iter = table;
            for_each_sg(table, iter, sg_nents(table), i) {
                    p = sg_page(iter);
                    if (p)
                            __free_page(p);
            }
    
            /* XXX what about chained tables? */
            kfree(table);
    }
    
    static inline void
    dev_coredumpv(struct device *dev __unused, void *data, size_t datalen __unused,
        gfp_t gfp __unused)
    {
    
            /* UNIMPLEMENTED */
            vfree(data);
    }
    
    static inline void
    dev_coredumpsg(struct device *dev __unused, struct scatterlist *table,
        size_t datalen __unused, gfp_t gfp __unused)
    {
    
            /* UNIMPLEMENTED */
            _lkpi_dev_coredumpsg_free(table);
    }
    
    #endif  /* _LINUXKPI_LINUX_DEVCOREDUMP_H */

Cache object: 01b70acc6b7312cc666076fccc06c682