[Devel,rh7,v3,04/10] tcache: Remove excess variable from tcache_lru_isolate()

Submitted by Kirill Tkhai on Aug. 16, 2017, 2:51 p.m.

Details

Message ID 150289510407.29411.5360996688330168691.stgit@localhost.localdomain
State New
Series "tcache: Manage LRU lists under per-filesystem lock"
Headers show

Commit Message

Kirill Tkhai Aug. 16, 2017, 2:51 p.m.
We have two variables (nr and nr_isolated), which show the same.
Kill one of them.

v2: new

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
---
 mm/tcache.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

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diff --git a/mm/tcache.c b/mm/tcache.c
index 0e57ae6066d..0f15e8e9b64 100644
--- a/mm/tcache.c
+++ b/mm/tcache.c
@@ -1029,7 +1029,7 @@  tcache_lru_isolate(int nid, struct page **pages, int nr_to_isolate)
 {
 	struct tcache_nodeinfo *ni = &tcache_nodeinfo[nid];
 	struct tcache_pool_nodeinfo *pni;
-	int nr, nr_isolated = 0;
+	int nr_isolated = 0;
 	struct rb_node *rbn;
 
 	spin_lock_irq(&ni->lock);
@@ -1046,9 +1046,8 @@  tcache_lru_isolate(int nid, struct page **pages, int nr_to_isolate)
 		goto again;
 
 	spin_lock(&pni->lock);
-	nr = __tcache_lru_isolate(pni, pages, nr_to_isolate);
-	ni->nr_pages -= nr;
-	nr_isolated += nr;
+	nr_isolated = __tcache_lru_isolate(pni, pages, nr_to_isolate);
+	ni->nr_pages -= nr_isolated;
 
 	if (!list_empty(&pni->lru))
 		__tcache_insert_reclaim_node(ni, pni);