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mm/vmscan: remove unused lru_pages argument

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Since 9092c71bb7 ("mm: use sc->priority for slab shrink targets") the
argument 'unsigned long *lru_pages' passed around with no purpose.  Remove
it.

Link: http://lkml.kernel.org/r/20190228083329.31892-4-aryabinin@virtuozzo.com
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: William Kucharski <william.kucharski@oracle.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrey Ryabinin 2019-11-30 17:55:24 -08:00 committed by Linus Torvalds
parent e47b346aba
commit f87bccde6a
1 changed files with 5 additions and 12 deletions
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17
mm/vmscan.c
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@ -2302,8 +2302,7 @@ enum scan_balance {
* nr[2] = file inactive pages to scan; nr[3] = file active pages to scan
*/
static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
struct scan_control *sc, unsigned long *nr,
unsigned long *lru_pages)
struct scan_control *sc, unsigned long *nr)
{
int swappiness = mem_cgroup_swappiness(memcg);
struct zone_reclaim_stat *reclaim_stat = &lruvec->reclaim_stat;
@ -2454,7 +2453,6 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
fraction[1] = fp;
denominator = ap + fp + 1;
out:
*lru_pages = 0;
for_each_evictable_lru(lru) {
int file = is_file_lru(lru);
unsigned long lruvec_size;
@ -2549,7 +2547,6 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
BUG();
}
*lru_pages += lruvec_size;
nr[lru] = scan;
}
}
@ -2558,7 +2555,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
* This is a basic per-node page freer. Used by both kswapd and direct reclaim.
*/
static void shrink_node_memcg(struct pglist_data *pgdat, struct mem_cgroup *memcg,
struct scan_control *sc, unsigned long *lru_pages)
struct scan_control *sc)
{
struct lruvec *lruvec = mem_cgroup_lruvec(pgdat, memcg);
unsigned long nr[NR_LRU_LISTS];
@ -2570,7 +2567,7 @@ static void shrink_node_memcg(struct pglist_data *pgdat, struct mem_cgroup *memc
struct blk_plug plug;
bool scan_adjusted;
get_scan_count(lruvec, memcg, sc, nr, lru_pages);
get_scan_count(lruvec, memcg, sc, nr);
/* Record the original scan target for proportional adjustments later */
memcpy(targets, nr, sizeof(nr));
@ -2758,7 +2755,6 @@ static bool shrink_node(pg_data_t *pgdat, struct scan_control *sc)
do {
struct mem_cgroup *root = sc->target_mem_cgroup;
unsigned long node_lru_pages = 0;
struct mem_cgroup *memcg;
memset(&sc->nr, 0, sizeof(sc->nr));
@ -2768,7 +2764,6 @@ static bool shrink_node(pg_data_t *pgdat, struct scan_control *sc)
memcg = mem_cgroup_iter(root, NULL, NULL);
do {
unsigned long lru_pages;
unsigned long reclaimed;
unsigned long scanned;
@ -2805,8 +2800,7 @@ static bool shrink_node(pg_data_t *pgdat, struct scan_control *sc)
reclaimed = sc->nr_reclaimed;
scanned = sc->nr_scanned;
shrink_node_memcg(pgdat, memcg, sc, &lru_pages);
node_lru_pages += lru_pages;
shrink_node_memcg(pgdat, memcg, sc);
shrink_slab(sc->gfp_mask, pgdat->node_id, memcg,
sc->priority);
@ -3317,7 +3311,6 @@ unsigned long mem_cgroup_shrink_node(struct mem_cgroup *memcg,
.reclaim_idx = MAX_NR_ZONES - 1,
.may_swap = !noswap,
};
unsigned long lru_pages;
WARN_ON_ONCE(!current->reclaim_state);
@ -3334,7 +3327,7 @@ unsigned long mem_cgroup_shrink_node(struct mem_cgroup *memcg,
* will pick up pages from other mem cgroup's as well. We hack
* the priority and make it zero.
*/
shrink_node_memcg(pgdat, memcg, &sc, &lru_pages);
shrink_node_memcg(pgdat, memcg, &sc);
trace_mm_vmscan_memcg_softlimit_reclaim_end(sc.nr_reclaimed);