[yhuang:lru-r0.1 55/55] mm/page_idle.c:837:8: error: 'rp_state' undeclared; did you mean 'rd_state'?

[yhuang:lru-r0.1 55/55] mm/page_idle.c:837:8: error: 'rp_state' undeclared; did you mean 'rd_state'?

[kbuild test robot]

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tree:   yhuang/lru-r0.1
head:   2656fd3ec2e60b7de639272904e117aa584a53e3
commit: 2656fd3ec2e60b7de639272904e117aa584a53e3 [55/55] Accelerate threshold adjust
config: x86_64-rhel-7.2-aep (attached as .config)
compiler: gcc-7 (Debian 7.5.0-1) 7.5.0
reproduce:
        git checkout 2656fd3ec2e60b7de639272904e117aa584a53e3
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   mm/page_idle.c: In function 'node_random_demote_check':
>> mm/page_idle.c:837:8: error: 'rp_state' undeclared (first use in this function); did you mean 'rd_state'?
         !(rp_state->nr_pass > target_pass * 11 / 10))
           ^~~~~~~~
           rd_state
   mm/page_idle.c:837:8: note: each undeclared identifier is reported only once for each function it appears in

vim +837 mm/page_idle.c

   816	
   817	static void node_random_demote_check(struct pglist_data *pgdat,
   818					     struct random_migrate_state *rd_state,
   819					     struct random_migrate_work_item *item)
   820	{
   821		int nrk, tnid, threshold, tpthreshold;
   822		int target_pass = rd_state->nr_scan_window * rd_state->nr_page;
   823		bool tpenabled;
   824		struct pglist_data *tpgdat;
   825	
   826		nrk = node_random_keep_pages(&item->pages, item->nr, rd_state,
   827					     NODE_RANDOM_KEEP_IDLE);
   828		rd_state->nr_migrate += nrk;
   829	
   830		tnid = next_migration_node(pgdat->node_id);
   831		if (tnid == -1)
   832			return;
   833	
   834		node_random_migrate(&item->pages, nrk, tnid);
   835	
   836		if (!(rd_state->flags & RANDOM_MIGRATE_ADJUST) &&
 > 837		    !(rp_state->nr_pass > target_pass * 11 / 10))
   838			return;
   839	
   840		rd_state->flags &= ~RANDOM_MIGRATE_ADJUST;
   841	
   842		threshold = item->threshold;
   843		if (rd_state->nr_pass > target_pass * 11 / 10 ||
   844		    rd_state->nr_pass > rd_state->nr_scan / 8) {
   845			threshold = max(threshold * 6 / 5, threshold + 1);
   846			threshold = min(threshold, random_migrate_threshold_max(rd_state));
   847		} else if (rd_state->nr_pass < target_pass * 9 / 10) {
   848			tpgdat = NODE_DATA(tnid);
   849			tpenabled = node_random_enabled(&tpgdat->random_promote_state);
   850			tpthreshold = tpgdat->random_promote_state.threshold;
   851			threshold = min(threshold * 4 / 5, threshold - 1);
   852			threshold = max(threshold, 1);
   853			if (tpenabled) {
   854				threshold = max(threshold, tpthreshold * 3 / 2);
   855				threshold = max(threshold, tpthreshold + 1);
   856			}
   857		}
   858		rd_state->threshold = threshold;
   859		trace_random_migrate_threshold(pgdat->node_id, target_pass,
   860					       rd_state->nr_pass, rd_state->nr_migrate,
   861					       threshold);
   862		pr_info("rd: nid=%d scan=%d target=%d pass=%d migrate=%d threshold=%d\n",
   863			pgdat->node_id, rd_state->nr_scan,
   864			target_pass, rd_state->nr_pass, rd_state->nr_migrate,
   865			threshold);
   866	
   867		rd_state->nr_scan = 0;
   868		rd_state->nr_pass = 0;
   869		rd_state->nr_migrate = 0;
   870	}
   871	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

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