/*
 * videobuf2-memops.h - generic memory handling routines for videobuf2
 *
 * Copyright (C) 2010 Samsung Electronics
 *
 * Author: Pawel Osciak <pawel@osciak.com>
 *	   Marek Szyprowski <m.szyprowski@samsung.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 */

#ifndef _MEDIA_VIDEOBUF2_MEMOPS_H
#define _MEDIA_VIDEOBUF2_MEMOPS_H

#include <media/videobuf2-v4l2.h>
#include <linux/mm.h>

/**
 * struct vb2_vmarea_handler - common vma refcount tracking handler
 *
 * @refcount:	pointer to refcount entry in the buffer
 * @put:	callback to function that decreases buffer refcount
 * @arg:	argument for @put callback
 */
struct vb2_vmarea_handler {
	atomic_t		*refcount;
	void			(*put)(void *arg);
	void			*arg;
};

extern const struct vm_operations_struct vb2_common_vm_ops;

struct frame_vector *vb2_create_framevec(unsigned long start,
					 unsigned long length,
					 bool write);
void vb2_destroy_framevec(struct frame_vector *vec);

#endif
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<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
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<tr><th>author</th><td>Shaohua Li &lt;shli@fb.com&gt;</td><td class='right'>2017-01-11 13:38:52 -0800</td></tr>
<tr><th>committer</th><td>Shaohua Li &lt;shli@fb.com&gt;</td><td class='right'>2017-01-24 11:20:13 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=d46d29f072accb069cb42b5fbebcc77d9094a785'>d46d29f072accb069cb42b5fbebcc77d9094a785</a> (<a href='/cgit.cgi/linux/net-next.git/patch/?id=d46d29f072accb069cb42b5fbebcc77d9094a785'>patch</a>)</td></tr>
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<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=557ed56cc75e0a33c15ba438734a280bac23bd32'>557ed56cc75e0a33c15ba438734a280bac23bd32</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?id=d46d29f072accb069cb42b5fbebcc77d9094a785&amp;id2=557ed56cc75e0a33c15ba438734a280bac23bd32'>diff</a>)</td></tr></table>
<div class='commit-subject'>md/raid5-cache: delete meaningless code</div><div class='commit-msg'>sector_t is unsigned long, it's never &lt; 0

Reported-by: Julia Lawall &lt;julia.lawall@lip6.fr&gt;
Signed-off-by: Shaohua Li &lt;shli@fb.com&gt;
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