int sptlrpc_enc_pool_init(void)
{
DEF_SHRINKER_VAR(shvar, enc_pools_shrink,
enc_pools_shrink_count, enc_pools_shrink_scan);
/*
* 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 = cfs_time_current_sec();
page_pools.epp_last_access = cfs_time_current_sec();
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;
enc_pools_alloc();
if (page_pools.epp_pools == NULL)
return -ENOMEM;
pools_shrinker = set_shrinker(pools_shrinker_seeks, &shvar);
if (pools_shrinker == NULL) {
enc_pools_free();
return -ENOMEM;
}
return 0;
}
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 = cfs_num_physpages / 8;
page_pools.epp_max_pools = npages_to_npools(page_pools.epp_max_pages);
cfs_waitq_init(&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 = cfs_time_current_sec();
page_pools.epp_last_access = cfs_time_current_sec();
cfs_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;
enc_pools_alloc();
if (page_pools.epp_pools == NULL)
return -ENOMEM;
pools_shrinker = cfs_set_shrinker(pools_shrinker_seeks,
enc_pools_shrink);
if (pools_shrinker == NULL) {
enc_pools_free();
return -ENOMEM;
}
return 0;
}
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;
}
