Commit 591d726b authored by Xu Qiang's avatar Xu Qiang Committed by Zhong Jinghua
Browse files

mm/sharepool: Delete unused kthread_stat. 

hulk inclusion
category: other
bugzilla: https://gitee.com/openeuler/kernel/issues/I6ET9W



----------------------------------------------

Signed-off-by: default avatarXu Qiang <xuqiang36@huawei.com>
parent b7541b99

mm/share_pool.c

+2 −14
Original line number Diff line number Diff line
@@ -96,9 +96,6 @@ static LIST_HEAD(spm_dvpp_list); 
/* mutex to protect insert/delete ops from master_list */

static DEFINE_MUTEX(spm_list_lock);



/* for kthread buff_module_guard_work */

static struct sp_meminfo kthread_stat;



#define SEQ_printf(m, x...)			\

do {						\

	if (m)					\
@@ -2224,9 +2221,7 @@ int mg_sp_free(unsigned long addr, int id) 


	sp_free_unmap_fallocate(fc.spa);



	if (current->mm == NULL)

		atomic64_sub(fc.spa->real_size, &kthread_stat.alloc_size);

	else

	if (current->mm != NULL)

		sp_update_process_stat(current, false, fc.spa);



	__sp_area_drop(fc.spa);  /* match get_sp_area in sp_free_get_spa */
@@ -3316,9 +3311,7 @@ static int sp_unshare_uva(unsigned long uva, unsigned long size, int group_id) 
	__sp_free(spa->spg, spa->va_start, spa->real_size, NULL);

	up_read(&spa->spg->rw_lock);



	if (current->mm == NULL)

		atomic64_sub(spa->real_size, &kthread_stat.k2u_size);

	else

	if (current->mm != NULL)

		sp_update_process_stat(current, false, spa);



out_clr_flag:
@@ -3949,11 +3942,6 @@ static int proc_group_usage_show(struct seq_file *seq, void *offset) 
	seq_printf(seq, "%-8s %-8s %-9s %-9s %-9s %-8s %-7s %-7s %-4s\n",

			"PID", "Group_ID", "SP_ALLOC", "SP_K2U", "SP_RES",

			"VIRT", "RES", "Shm", "PROT");

	/* print kthread buff_module_guard_work */

	seq_printf(seq, "%-8s %-8s %-9lld %-9lld\n",

			"guard", "-",

			byte2kb(atomic64_read(&kthread_stat.alloc_size)),

			byte2kb(atomic64_read(&kthread_stat.k2u_size)));



	down_read(&sp_group_sem);

	idr_for_each(&sp_group_idr, proc_usage_by_group, seq);