static int __init lowmem_init(void)
{
task_free_register(&task_free_nb);
task_fork_register(&task_fork_nb);
register_shrinker(&lowmem_shrinker);
return 0;
}
static int __init lowmem_init(void)
{
task_free_register(&task_nb);
register_shrinker(&lowmem_shrinker);
#ifdef CONFIG_ZRAM_FOR_ANDROID
lmk_class = class_create(THIS_MODULE, "lmk");
if (IS_ERR(lmk_class)) {
printk(KERN_ERR "Failed to create class(lmk)\n");
return 0;
}
lmk_dev = device_create(lmk_class, NULL, 0, NULL, "lowmemorykiller");
if (IS_ERR(lmk_dev)) {
printk(KERN_ERR
"Failed to create device(lowmemorykiller)!= %ld\n",
IS_ERR(lmk_dev));
return 0;
}
if (device_create_file(lmk_dev, &dev_attr_lmk_state) < 0)
printk(KERN_ERR "Failed to create device file(%s)!\n",
dev_attr_lmk_state.attr.name);
#endif /* CONFIG_ZRAM_FOR_ANDROID */
return 0;
}
int kgsl_heap_init(void)
{
int i;
for (i = 0; i < num_orders; i++) {
struct kgsl_page_pool *pool;
gfp_t gfp_flags = low_order_gfp_flags;
if (orders[i] > 4)
gfp_flags = high_order_gfp_flags;
pool = kgsl_page_pool_create(gfp_flags, orders[i], orders_reserved[i], reserve_only[i]);
if (!pool)
goto destroy_pools;
kgsl_heap.pools[i] = pool;
}
kgsl_heap.shrinker.shrink = kgsl_heap_shrink;
kgsl_heap.shrinker.seeks = DEFAULT_SEEKS;
kgsl_heap.shrinker.batch = 0;
register_shrinker(&kgsl_heap.shrinker);
return 0;
destroy_pools:
while (i--)
kgsl_page_pool_destroy(kgsl_heap.pools[i]);
return -ENOMEM;
}
static int __init lowmem_init(void)
{
int rc;
task_free_register(&task_nb);
register_shrinker(&lowmem_shrinker);
#ifdef CONFIG_MEMORY_HOTPLUG
hotplug_memory_notifier(lmk_hotplug_callback, 0);
#endif
lowmem_kobj = kzalloc(sizeof(*lowmem_kobj), GFP_KERNEL);
if (!lowmem_kobj) {
rc = -ENOMEM;
goto err;
}
rc = kobject_init_and_add(lowmem_kobj, &lowmem_kobj_type,
mm_kobj, "lowmemkiller");
if (rc)
goto err_kobj;
return 0;
err_kobj:
kfree(lowmem_kobj);
err:
unregister_shrinker(&lowmem_shrinker);
task_free_unregister(&task_nb);
return rc;
}
int
init_cifs_idmap(void)
{
struct cred *cred;
struct key *keyring;
int ret;
cFYI(1, "Registering the %s key type\n", cifs_idmap_key_type.name);
/* create an override credential set with a special thread keyring in
* which requests are cached
*
* this is used to prevent malicious redirections from being installed
* with add_key().
*/
cred = prepare_kernel_cred(NULL);
if (!cred)
return -ENOMEM;
keyring = keyring_alloc(".cifs_idmap", 0, 0, cred,
(KEY_POS_ALL & ~KEY_POS_SETATTR) |
KEY_USR_VIEW | KEY_USR_READ,
KEY_ALLOC_NOT_IN_QUOTA, NULL);
if (IS_ERR(keyring)) {
ret = PTR_ERR(keyring);
goto failed_put_cred;
}
ret = register_key_type(&cifs_idmap_key_type);
if (ret < 0)
goto failed_put_key;
/* instruct request_key() to use this special keyring as a cache for
* the results it looks up */
set_bit(KEY_FLAG_ROOT_CAN_CLEAR, &keyring->flags);
cred->thread_keyring = keyring;
cred->jit_keyring = KEY_REQKEY_DEFL_THREAD_KEYRING;
root_cred = cred;
spin_lock_init(&siduidlock);
uidtree = RB_ROOT;
spin_lock_init(&sidgidlock);
gidtree = RB_ROOT;
spin_lock_init(&uidsidlock);
siduidtree = RB_ROOT;
spin_lock_init(&gidsidlock);
sidgidtree = RB_ROOT;
register_shrinker(&cifs_shrinker);
cFYI(1, "cifs idmap keyring: %d\n", key_serial(keyring));
return 0;
failed_put_key:
key_put(keyring);
failed_put_cred:
put_cred(cred);
return ret;
}
static int virtio_balloon_register_shrinker(struct virtio_balloon *vb)
{
vb->shrinker.scan_objects = virtio_balloon_shrinker_scan;
vb->shrinker.count_objects = virtio_balloon_shrinker_count;
vb->shrinker.seeks = DEFAULT_SEEKS;
return register_shrinker(&vb->shrinker);
}
static int __init lowmem_init(void)
{
#ifdef CONFIG_DUMP_TASKS_ON_NOPAGE
timeout = jiffies + 1200 * HZ;
#endif
register_shrinker(&lowmem_shrinker);
return 0;
}
void
xfs_inode_shrinker_register(
struct xfs_mount *mp)
{
mp->m_inode_shrink.shrink = xfs_reclaim_inode_shrink;
mp->m_inode_shrink.seeks = DEFAULT_SEEKS;
register_shrinker(&mp->m_inode_shrink);
}
static int __init lowmem_init(void)
{
#ifdef CONFIG_MACH_LGE
task_free_register(&task_nb);
#endif
register_shrinker(&lowmem_shrinker);
return 0;
}
static int __init lowmem_init(void)
{
register_shrinker(&lowmem_shrinker);
#ifdef CONFIG_MEMORY_HOTPLUG
hotplug_memory_notifier(lmk_hotplug_callback, 0);
#endif
return 0;
}
static int __init init_f2fs_fs(void)
{
int err;
f2fs_build_trace_ios();
err = init_inodecache();
if (err)
goto fail;
err = create_node_manager_caches();
if (err)
goto free_inodecache;
err = create_segment_manager_caches();
if (err)
goto free_node_manager_caches;
err = create_checkpoint_caches();
if (err)
goto free_segment_manager_caches;
err = create_extent_cache();
if (err)
goto free_checkpoint_caches;
f2fs_kset = kset_create_and_add("f2fs", NULL, fs_kobj);
if (!f2fs_kset) {
err = -ENOMEM;
goto free_extent_cache;
}
err = register_shrinker(&f2fs_shrinker_info);
if (err)
goto free_kset;
err = register_filesystem(&f2fs_fs_type);
if (err)
goto free_shrinker;
err = f2fs_create_root_stats();
if (err)
goto free_filesystem;
f2fs_proc_root = proc_mkdir("fs/f2fs", NULL);
return 0;
free_filesystem:
unregister_filesystem(&f2fs_fs_type);
free_shrinker:
unregister_shrinker(&f2fs_shrinker_info);
free_kset:
kset_unregister(f2fs_kset);
free_extent_cache:
destroy_extent_cache();
free_checkpoint_caches:
destroy_checkpoint_caches();
free_segment_manager_caches:
destroy_segment_manager_caches();
free_node_manager_caches:
destroy_node_manager_caches();
free_inodecache:
destroy_inodecache();
fail:
return err;
}
static int __init lowmem_init(void)
{
register_shrinker(&lowmem_shrinker);
#ifdef CONFIG_SEC_OOM_KILLER
register_oom_notifier(&android_oom_notifier);
#endif
return 0;
}
static int __init lowmem_init(void)
{
task_free_register(&task_nb);
register_shrinker(&lowmem_shrinker);
#ifdef CONFIG_HUAWEI_FEATURE_LOW_MEMORY_KILLER_STUB
registerlowmem();
#endif
return 0;
}
/**
* reiser4_init_d_cursor - create d_cursor cache
*
* Initializes slab cache of d_cursors. It is part of reiser4 module
* initialization.
*/
int reiser4_init_d_cursor(void)
{
d_cursor_cache = kmem_cache_create("d_cursor", sizeof(dir_cursor), 0,
SLAB_HWCACHE_ALIGN, NULL);
if (d_cursor_cache == NULL)
return RETERR(-ENOMEM);
register_shrinker(&d_cursor_shrinker);
return 0;
}
int
init_cifs_idmap(void)
{
struct cred *cred;
struct key *keyring;
int ret;
cFYI(1, "Registering the %s key type\n", cifs_idmap_key_type.name);
cred = prepare_kernel_cred(NULL);
if (!cred)
return -ENOMEM;
keyring = key_alloc(&key_type_keyring, ".cifs_idmap", 0, 0, cred,
(KEY_POS_ALL & ~KEY_POS_SETATTR) |
KEY_USR_VIEW | KEY_USR_READ,
KEY_ALLOC_NOT_IN_QUOTA);
if (IS_ERR(keyring)) {
ret = PTR_ERR(keyring);
goto failed_put_cred;
}
ret = key_instantiate_and_link(keyring, NULL, 0, NULL, NULL);
if (ret < 0)
goto failed_put_key;
ret = register_key_type(&cifs_idmap_key_type);
if (ret < 0)
goto failed_put_key;
set_bit(KEY_FLAG_ROOT_CAN_CLEAR, &keyring->flags);
cred->thread_keyring = keyring;
cred->jit_keyring = KEY_REQKEY_DEFL_THREAD_KEYRING;
root_cred = cred;
spin_lock_init(&siduidlock);
uidtree = RB_ROOT;
spin_lock_init(&sidgidlock);
gidtree = RB_ROOT;
spin_lock_init(&uidsidlock);
siduidtree = RB_ROOT;
spin_lock_init(&gidsidlock);
sidgidtree = RB_ROOT;
register_shrinker(&cifs_shrinker);
cFYI(1, "cifs idmap keyring: %d\n", key_serial(keyring));
return 0;
failed_put_key:
key_put(keyring);
failed_put_cred:
put_cred(cred);
return ret;
}
static int __init lowmem_init(void)
{
//<!-- BEGIN: [email protected] 2012-08-16 -->
//<!-- MOD : make LMK see swap condition
//DEL : [email protected]
/* lmk_kill_info = kmalloc(1024, GFP_KERNEL);*/
//<!-- END: [email protected] 2012-08-16 -->
task_free_register(&task_nb);
register_shrinker(&lowmem_shrinker);
return 0;
}
static int __init lowmem_init(void)
{
//task_free_register(&task_nb);
#if CONFIG_MSM_KGSL_VM_THRESHOLD > 0
extern void kgsl_register_shrinker(void (*shrink)(int largest, int threshold));
kgsl_register_shrinker(lowmem_vm_shrinker);
#endif
register_shrinker(&lowmem_shrinker);
#ifdef CONFIG_MEMORY_HOTPLUG
hotplug_memory_notifier(lmk_hotplug_callback, 0);
#endif
return 0;
}
static int __init workingset_init(void)
{
int ret;
ret = list_lru_init_key(&workingset_shadow_nodes, &shadow_nodes_key);
if (ret)
goto err;
ret = register_shrinker(&workingset_shadow_shrinker);
if (ret)
goto err_list_lru;
return 0;
err_list_lru:
list_lru_destroy(&workingset_shadow_nodes);
err:
return ret;
}
int sptlrpc_enc_pool_init(void)
{
/*
* maximum capacity is 1/8 of total physical memory.
* is the 1/8 a good number?
*/
page_pools.epp_max_pages = totalram_pages / 8;
page_pools.epp_max_pools = npages_to_npools(page_pools.epp_max_pages);
init_waitqueue_head(&page_pools.epp_waitq);
page_pools.epp_waitqlen = 0;
page_pools.epp_pages_short = 0;
page_pools.epp_growing = 0;
page_pools.epp_idle_idx = 0;
page_pools.epp_last_shrink = ktime_get_seconds();
page_pools.epp_last_access = ktime_get_seconds();
spin_lock_init(&page_pools.epp_lock);
page_pools.epp_total_pages = 0;
page_pools.epp_free_pages = 0;
page_pools.epp_st_max_pages = 0;
page_pools.epp_st_grows = 0;
page_pools.epp_st_grow_fails = 0;
page_pools.epp_st_shrinks = 0;
page_pools.epp_st_access = 0;
page_pools.epp_st_missings = 0;
page_pools.epp_st_lowfree = 0;
page_pools.epp_st_max_wqlen = 0;
page_pools.epp_st_max_wait = 0;
page_pools.epp_st_outofmem = 0;
enc_pools_alloc();
if (!page_pools.epp_pools)
return -ENOMEM;
register_shrinker(&pools_shrinker);
return 0;
}
static int __init lowmem_init(void)
{
#ifdef CONFIG_ZRAM_FOR_ANDROID
struct zone *zone;
unsigned int high_wmark = 0;
unsigned int low_wmark = 0;
#endif
task_free_register(&task_nb);
register_shrinker(&lowmem_shrinker);
#ifdef CONFIG_ZRAM_FOR_ANDROID
for_each_zone(zone) {
if (high_wmark < zone->watermark[WMARK_HIGH]) {
high_wmark = zone->watermark[WMARK_HIGH];
low_wmark = zone->watermark[WMARK_LOW];
}
}
high_wmark += low_wmark;
check_free_memory = (high_wmark != 0) ? high_wmark : CHECK_FREE_MEMORY;
lmk_class = class_create(THIS_MODULE, "lmk");
if (IS_ERR(lmk_class)) {
printk(KERN_ERR "Failed to create class(lmk)\n");
return 0;
}
lmk_dev = device_create(lmk_class, NULL, 0, NULL, "lowmemorykiller");
if (IS_ERR(lmk_dev)) {
printk(KERN_ERR
"Failed to create device(lowmemorykiller)!= %ld\n",
IS_ERR(lmk_dev));
return 0;
}
if (device_create_file(lmk_dev, &dev_attr_lmk_state) < 0)
printk(KERN_ERR "Failed to create device file(%s)!\n",
dev_attr_lmk_state.attr.name);
#endif /* CONFIG_ZRAM_FOR_ANDROID */
return 0;
}
static int __init workingset_init(void)
{
register_shrinker(&workingset_shadow_shrinker);
return 0;
}
static int __init init_gfs2_fs(void)
{
int error;
gfs2_str2qstr(&gfs2_qdot, ".");
gfs2_str2qstr(&gfs2_qdotdot, "..");
gfs2_quota_hash_init();
error = gfs2_sys_init();
if (error)
return error;
error = list_lru_init(&gfs2_qd_lru);
if (error)
goto fail_lru;
error = gfs2_glock_init();
if (error)
goto fail;
error = -ENOMEM;
gfs2_glock_cachep = kmem_cache_create("gfs2_glock",
sizeof(struct gfs2_glock),
0, 0,
gfs2_init_glock_once);
if (!gfs2_glock_cachep)
goto fail;
gfs2_glock_aspace_cachep = kmem_cache_create("gfs2_glock(aspace)",
sizeof(struct gfs2_glock) +
sizeof(struct address_space),
0, 0, gfs2_init_gl_aspace_once);
if (!gfs2_glock_aspace_cachep)
goto fail;
gfs2_inode_cachep = kmem_cache_create("gfs2_inode",
sizeof(struct gfs2_inode),
0, SLAB_RECLAIM_ACCOUNT|
SLAB_MEM_SPREAD,
gfs2_init_inode_once);
if (!gfs2_inode_cachep)
goto fail;
gfs2_bufdata_cachep = kmem_cache_create("gfs2_bufdata",
sizeof(struct gfs2_bufdata),
0, 0, NULL);
if (!gfs2_bufdata_cachep)
goto fail;
gfs2_rgrpd_cachep = kmem_cache_create("gfs2_rgrpd",
sizeof(struct gfs2_rgrpd),
0, 0, NULL);
if (!gfs2_rgrpd_cachep)
goto fail;
gfs2_quotad_cachep = kmem_cache_create("gfs2_quotad",
sizeof(struct gfs2_quota_data),
0, 0, NULL);
if (!gfs2_quotad_cachep)
goto fail;
gfs2_rsrv_cachep = kmem_cache_create("gfs2_mblk",
sizeof(struct gfs2_blkreserv),
0, 0, NULL);
if (!gfs2_rsrv_cachep)
goto fail;
register_shrinker(&gfs2_qd_shrinker);
error = register_filesystem(&gfs2_fs_type);
if (error)
goto fail;
error = register_filesystem(&gfs2meta_fs_type);
if (error)
goto fail_unregister;
error = -ENOMEM;
gfs_recovery_wq = alloc_workqueue("gfs_recovery",
WQ_MEM_RECLAIM | WQ_FREEZABLE, 0);
if (!gfs_recovery_wq)
goto fail_wq;
gfs2_control_wq = alloc_workqueue("gfs2_control",
WQ_UNBOUND | WQ_FREEZABLE, 0);
if (!gfs2_control_wq)
goto fail_recovery;
gfs2_freeze_wq = alloc_workqueue("freeze_workqueue", 0, 0);
if (!gfs2_freeze_wq)
goto fail_control;
gfs2_page_pool = mempool_create_page_pool(64, 0);
if (!gfs2_page_pool)
goto fail_freeze;
gfs2_register_debugfs();
pr_info("GFS2 installed\n");
return 0;
fail_freeze:
destroy_workqueue(gfs2_freeze_wq);
fail_control:
destroy_workqueue(gfs2_control_wq);
fail_recovery:
destroy_workqueue(gfs_recovery_wq);
fail_wq:
unregister_filesystem(&gfs2meta_fs_type);
fail_unregister:
unregister_filesystem(&gfs2_fs_type);
fail:
list_lru_destroy(&gfs2_qd_lru);
fail_lru:
unregister_shrinker(&gfs2_qd_shrinker);
gfs2_glock_exit();
if (gfs2_rsrv_cachep)
kmem_cache_destroy(gfs2_rsrv_cachep);
if (gfs2_quotad_cachep)
kmem_cache_destroy(gfs2_quotad_cachep);
if (gfs2_rgrpd_cachep)
kmem_cache_destroy(gfs2_rgrpd_cachep);
if (gfs2_bufdata_cachep)
kmem_cache_destroy(gfs2_bufdata_cachep);
if (gfs2_inode_cachep)
kmem_cache_destroy(gfs2_inode_cachep);
if (gfs2_glock_aspace_cachep)
kmem_cache_destroy(gfs2_glock_aspace_cachep);
if (gfs2_glock_cachep)
kmem_cache_destroy(gfs2_glock_cachep);
gfs2_sys_uninit();
return error;
}
static int __init dfd_shrinker_init(void)
{
register_shrinker(&dfd_shrinker);
return 0;
}
/*
* This initializes all the quota information that's kept in the
* mount structure
*/
STATIC int
xfs_qm_init_quotainfo(
xfs_mount_t *mp)
{
xfs_quotainfo_t *qinf;
int error;
xfs_dquot_t *dqp;
ASSERT(XFS_IS_QUOTA_RUNNING(mp));
qinf = mp->m_quotainfo = kmem_zalloc(sizeof(xfs_quotainfo_t), KM_SLEEP);
/*
* See if quotainodes are setup, and if not, allocate them,
* and change the superblock accordingly.
*/
if ((error = xfs_qm_init_quotainos(mp))) {
kmem_free(qinf);
mp->m_quotainfo = NULL;
return error;
}
INIT_RADIX_TREE(&qinf->qi_uquota_tree, GFP_NOFS);
INIT_RADIX_TREE(&qinf->qi_gquota_tree, GFP_NOFS);
mutex_init(&qinf->qi_tree_lock);
INIT_LIST_HEAD(&qinf->qi_lru_list);
qinf->qi_lru_count = 0;
mutex_init(&qinf->qi_lru_lock);
/* mutex used to serialize quotaoffs */
mutex_init(&qinf->qi_quotaofflock);
/* Precalc some constants */
qinf->qi_dqchunklen = XFS_FSB_TO_BB(mp, XFS_DQUOT_CLUSTER_SIZE_FSB);
ASSERT(qinf->qi_dqchunklen);
qinf->qi_dqperchunk = BBTOB(qinf->qi_dqchunklen);
do_div(qinf->qi_dqperchunk, sizeof(xfs_dqblk_t));
mp->m_qflags |= (mp->m_sb.sb_qflags & XFS_ALL_QUOTA_CHKD);
/*
* We try to get the limits from the superuser's limits fields.
* This is quite hacky, but it is standard quota practice.
*
* We look at the USR dquot with id == 0 first, but if user quotas
* are not enabled we goto the GRP dquot with id == 0.
* We don't really care to keep separate default limits for user
* and group quotas, at least not at this point.
*
* Since we may not have done a quotacheck by this point, just read
* the dquot without attaching it to any hashtables or lists.
*/
error = xfs_qm_dqread(mp, 0,
XFS_IS_UQUOTA_RUNNING(mp) ? XFS_DQ_USER :
(XFS_IS_GQUOTA_RUNNING(mp) ? XFS_DQ_GROUP :
XFS_DQ_PROJ),
XFS_QMOPT_DOWARN, &dqp);
if (!error) {
xfs_disk_dquot_t *ddqp = &dqp->q_core;
/*
* The warnings and timers set the grace period given to
* a user or group before he or she can not perform any
* more writing. If it is zero, a default is used.
*/
qinf->qi_btimelimit = ddqp->d_btimer ?
be32_to_cpu(ddqp->d_btimer) : XFS_QM_BTIMELIMIT;
qinf->qi_itimelimit = ddqp->d_itimer ?
be32_to_cpu(ddqp->d_itimer) : XFS_QM_ITIMELIMIT;
qinf->qi_rtbtimelimit = ddqp->d_rtbtimer ?
be32_to_cpu(ddqp->d_rtbtimer) : XFS_QM_RTBTIMELIMIT;
qinf->qi_bwarnlimit = ddqp->d_bwarns ?
be16_to_cpu(ddqp->d_bwarns) : XFS_QM_BWARNLIMIT;
qinf->qi_iwarnlimit = ddqp->d_iwarns ?
be16_to_cpu(ddqp->d_iwarns) : XFS_QM_IWARNLIMIT;
qinf->qi_rtbwarnlimit = ddqp->d_rtbwarns ?
be16_to_cpu(ddqp->d_rtbwarns) : XFS_QM_RTBWARNLIMIT;
qinf->qi_bhardlimit = be64_to_cpu(ddqp->d_blk_hardlimit);
qinf->qi_bsoftlimit = be64_to_cpu(ddqp->d_blk_softlimit);
qinf->qi_ihardlimit = be64_to_cpu(ddqp->d_ino_hardlimit);
qinf->qi_isoftlimit = be64_to_cpu(ddqp->d_ino_softlimit);
qinf->qi_rtbhardlimit = be64_to_cpu(ddqp->d_rtb_hardlimit);
qinf->qi_rtbsoftlimit = be64_to_cpu(ddqp->d_rtb_softlimit);
xfs_qm_dqdestroy(dqp);
} else {
qinf->qi_btimelimit = XFS_QM_BTIMELIMIT;
qinf->qi_itimelimit = XFS_QM_ITIMELIMIT;
qinf->qi_rtbtimelimit = XFS_QM_RTBTIMELIMIT;
qinf->qi_bwarnlimit = XFS_QM_BWARNLIMIT;
qinf->qi_iwarnlimit = XFS_QM_IWARNLIMIT;
qinf->qi_rtbwarnlimit = XFS_QM_RTBWARNLIMIT;
}
qinf->qi_shrinker.shrink = xfs_qm_shake;
qinf->qi_shrinker.seeks = DEFAULT_SEEKS;
register_shrinker(&qinf->qi_shrinker);
return 0;
}
static int __init init_gfs2_fs(void)
{
int error;
gfs2_str2qstr(&gfs2_qdot, ".");
gfs2_str2qstr(&gfs2_qdotdot, "..");
error = gfs2_sys_init();
if (error)
return error;
error = gfs2_glock_init();
if (error)
goto fail;
error = -ENOMEM;
gfs2_glock_cachep = kmem_cache_create("gfs2_glock",
sizeof(struct gfs2_glock),
0, 0,
gfs2_init_glock_once);
if (!gfs2_glock_cachep)
goto fail;
gfs2_glock_aspace_cachep = kmem_cache_create("gfs2_glock(aspace)",
sizeof(struct gfs2_glock) +
sizeof(struct address_space),
0, 0, gfs2_init_gl_aspace_once);
if (!gfs2_glock_aspace_cachep)
goto fail;
gfs2_inode_cachep = kmem_cache_create("gfs2_inode",
sizeof(struct gfs2_inode),
0, SLAB_RECLAIM_ACCOUNT|
SLAB_MEM_SPREAD,
gfs2_init_inode_once);
if (!gfs2_inode_cachep)
goto fail;
gfs2_bufdata_cachep = kmem_cache_create("gfs2_bufdata",
sizeof(struct gfs2_bufdata),
0, 0, NULL);
if (!gfs2_bufdata_cachep)
goto fail;
gfs2_rgrpd_cachep = kmem_cache_create("gfs2_rgrpd",
sizeof(struct gfs2_rgrpd),
0, 0, NULL);
if (!gfs2_rgrpd_cachep)
goto fail;
gfs2_quotad_cachep = kmem_cache_create("gfs2_quotad",
sizeof(struct gfs2_quota_data),
0, 0, NULL);
if (!gfs2_quotad_cachep)
goto fail;
register_shrinker(&qd_shrinker);
error = register_filesystem(&gfs2_fs_type);
if (error)
goto fail;
error = register_filesystem(&gfs2meta_fs_type);
if (error)
goto fail_unregister;
error = -ENOMEM;
gfs_recovery_wq = alloc_workqueue("gfs_recovery",
WQ_MEM_RECLAIM | WQ_FREEZABLE, 0);
if (!gfs_recovery_wq)
goto fail_wq;
gfs2_register_debugfs();
printk("GFS2 (built %s %s) installed\n", __DATE__, __TIME__);
return 0;
fail_wq:
unregister_filesystem(&gfs2meta_fs_type);
fail_unregister:
unregister_filesystem(&gfs2_fs_type);
fail:
unregister_shrinker(&qd_shrinker);
gfs2_glock_exit();
if (gfs2_quotad_cachep)
kmem_cache_destroy(gfs2_quotad_cachep);
if (gfs2_rgrpd_cachep)
kmem_cache_destroy(gfs2_rgrpd_cachep);
if (gfs2_bufdata_cachep)
kmem_cache_destroy(gfs2_bufdata_cachep);
if (gfs2_inode_cachep)
kmem_cache_destroy(gfs2_inode_cachep);
if (gfs2_glock_aspace_cachep)
kmem_cache_destroy(gfs2_glock_aspace_cachep);
if (gfs2_glock_cachep)
kmem_cache_destroy(gfs2_glock_cachep);
gfs2_sys_uninit();
return error;
}
static int __init init_gfs2_fs(void)
{
int error;
error = gfs2_sys_init();
if (error)
return error;
error = gfs2_glock_init();
if (error)
goto fail;
error = -ENOMEM;
gfs2_glock_cachep = kmem_cache_create("gfs2_glock",
sizeof(struct gfs2_glock),
0, 0,
gfs2_init_glock_once);
if (!gfs2_glock_cachep)
goto fail;
gfs2_inode_cachep = kmem_cache_create("gfs2_inode",
sizeof(struct gfs2_inode),
0, SLAB_RECLAIM_ACCOUNT|
SLAB_MEM_SPREAD,
gfs2_init_inode_once);
if (!gfs2_inode_cachep)
goto fail;
gfs2_bufdata_cachep = kmem_cache_create("gfs2_bufdata",
sizeof(struct gfs2_bufdata),
0, 0, NULL);
if (!gfs2_bufdata_cachep)
goto fail;
gfs2_rgrpd_cachep = kmem_cache_create("gfs2_rgrpd",
sizeof(struct gfs2_rgrpd),
0, 0, NULL);
if (!gfs2_rgrpd_cachep)
goto fail;
gfs2_quotad_cachep = kmem_cache_create("gfs2_quotad",
sizeof(struct gfs2_quota_data),
0, 0, NULL);
if (!gfs2_quotad_cachep)
goto fail;
register_shrinker(&qd_shrinker);
error = register_filesystem(&gfs2_fs_type);
if (error)
goto fail;
error = register_filesystem(&gfs2meta_fs_type);
if (error)
goto fail_unregister;
error = slow_work_register_user();
if (error)
goto fail_slow;
gfs2_register_debugfs();
printk("GFS2 (built %s %s) installed\n", __DATE__, __TIME__);
return 0;
fail_slow:
unregister_filesystem(&gfs2meta_fs_type);
fail_unregister:
unregister_filesystem(&gfs2_fs_type);
fail:
unregister_shrinker(&qd_shrinker);
gfs2_glock_exit();
if (gfs2_quotad_cachep)
kmem_cache_destroy(gfs2_quotad_cachep);
if (gfs2_rgrpd_cachep)
kmem_cache_destroy(gfs2_rgrpd_cachep);
if (gfs2_bufdata_cachep)
kmem_cache_destroy(gfs2_bufdata_cachep);
if (gfs2_inode_cachep)
kmem_cache_destroy(gfs2_inode_cachep);
if (gfs2_glock_cachep)
kmem_cache_destroy(gfs2_glock_cachep);
gfs2_sys_uninit();
return error;
}
static int __init lowmem_init(void)
{
register_shrinker(&lowmem_shrinker);
return 0;
}
static int __init lowmem_init(void)
{
task_handoff_register(&task_nb);
register_shrinker(&lowmem_shrinker);
return 0;
}
