linux/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2019 Arm Ltd.
 *
 * Based on msm_gem_freedreno.c:
 * Copyright (C) 2016 Red Hat
 * Author: Rob Clark <[email protected]>
 */

#include <linux/list.h>

#include <drm/drm_device.h>
#include <drm/drm_gem_shmem_helper.h>

#include "panfrost_device.h"
#include "panfrost_gem.h"
#include "panfrost_mmu.h"

static unsigned long
panfrost_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc)
{ … }

static bool panfrost_gem_purge(struct drm_gem_object *obj)
{ … }

static unsigned long
panfrost_gem_shrinker_scan(struct shrinker *shrinker, struct shrink_control *sc)
{ … }

/**
 * panfrost_gem_shrinker_init - Initialize panfrost shrinker
 * @dev: DRM device
 *
 * This function registers and sets up the panfrost shrinker.
 */
int panfrost_gem_shrinker_init(struct drm_device *dev)
{ … }

/**
 * panfrost_gem_shrinker_cleanup - Clean up panfrost shrinker
 * @dev: DRM device
 *
 * This function unregisters the panfrost shrinker.
 */
void panfrost_gem_shrinker_cleanup(struct drm_device *dev)
{ … }