diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 73d6fa7..1cd4851 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2291,8 +2291,7 @@ static inline bool compaction_ready(struct zone *zone, struct scan_control *sc) * the caller that it should consider retrying the allocation instead of * further reclaim. */ -static bool shrink_zones(struct zonelist *zonelist, struct scan_control *sc, - struct shrink_control *shrink) +static bool shrink_zones(struct zonelist *zonelist, struct scan_control *sc) { struct zoneref *z; struct zone *zone; @@ -2301,6 +2300,9 @@ static bool shrink_zones(struct zonelist *zonelist, struct scan_control *sc, unsigned long lru_pages = 0; bool aborted_reclaim = false; struct reclaim_state *reclaim_state = current->reclaim_state; + struct shrink_control shrink = { + .gfp_mask = sc->gfp_mask, + }; /* * If the number of buffer_heads in the machine exceeds the maximum @@ -2310,7 +2312,7 @@ static bool shrink_zones(struct zonelist *zonelist, struct scan_control *sc, if (buffer_heads_over_limit) sc->gfp_mask |= __GFP_HIGHMEM; - nodes_clear(shrink->nodes_to_scan); + nodes_clear(shrink.nodes_to_scan); for_each_zone_zonelist_nodemask(zone, z, zonelist, gfp_zone(sc->gfp_mask), sc->nodemask) { @@ -2325,7 +2327,7 @@ static bool shrink_zones(struct zonelist *zonelist, struct scan_control *sc, continue; lru_pages += zone_reclaimable_pages(zone); - node_set(zone_to_nid(zone), shrink->nodes_to_scan); + node_set(zone_to_nid(zone), shrink.nodes_to_scan); if (sc->priority != DEF_PRIORITY && !zone_reclaimable(zone)) @@ -2370,7 +2372,7 @@ static bool shrink_zones(struct zonelist *zonelist, struct scan_control *sc, * pages. */ if (global_reclaim(sc)) { - shrink_slab(shrink, sc->nr_scanned, lru_pages); + shrink_slab(&shrink, sc->nr_scanned, lru_pages); if (reclaim_state) { sc->nr_reclaimed += reclaim_state->reclaimed_slab; reclaim_state->reclaimed_slab = 0; @@ -2417,8 +2419,7 @@ static bool all_unreclaimable(struct zonelist *zonelist, * else, the number of pages reclaimed */ static unsigned long do_try_to_free_pages(struct zonelist *zonelist, - struct scan_control *sc, - struct shrink_control *shrink) + struct scan_control *sc) { unsigned long total_scanned = 0; unsigned long writeback_threshold; @@ -2433,7 +2434,7 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist, vmpressure_prio(sc->gfp_mask, sc->target_mem_cgroup, sc->priority); sc->nr_scanned = 0; - aborted_reclaim = shrink_zones(zonelist, sc, shrink); + aborted_reclaim = shrink_zones(zonelist, sc); total_scanned += sc->nr_scanned; if (sc->nr_reclaimed >= sc->nr_to_reclaim) @@ -2596,9 +2597,6 @@ unsigned long try_to_free_pages(struct zonelist *zonelist, int order, .target_mem_cgroup = NULL, .nodemask = nodemask, }; - struct shrink_control shrink = { - .gfp_mask = sc.gfp_mask, - }; /* * Do not enter reclaim if fatal signal was delivered while throttled. @@ -2612,7 +2610,7 @@ unsigned long try_to_free_pages(struct zonelist *zonelist, int order, sc.may_writepage, gfp_mask); - nr_reclaimed = do_try_to_free_pages(zonelist, &sc, &shrink); + nr_reclaimed = do_try_to_free_pages(zonelist, &sc); trace_mm_vmscan_direct_reclaim_end(nr_reclaimed); @@ -2679,9 +2677,6 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg, .gfp_mask = (gfp_mask & GFP_RECLAIM_MASK) | (GFP_HIGHUSER_MOVABLE & ~GFP_RECLAIM_MASK), }; - struct shrink_control shrink = { - .gfp_mask = sc.gfp_mask, - }; /* * Unlike direct reclaim via alloc_pages(), memcg's reclaim doesn't @@ -2696,7 +2691,7 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg, sc.may_writepage, sc.gfp_mask); - nr_reclaimed = do_try_to_free_pages(zonelist, &sc, &shrink); + nr_reclaimed = do_try_to_free_pages(zonelist, &sc); trace_mm_vmscan_memcg_reclaim_end(nr_reclaimed); @@ -3331,9 +3326,6 @@ unsigned long shrink_all_memory(unsigned long nr_to_reclaim) .order = 0, .priority = DEF_PRIORITY, }; - struct shrink_control shrink = { - .gfp_mask = sc.gfp_mask, - }; struct zonelist *zonelist = node_zonelist(numa_node_id(), sc.gfp_mask); struct task_struct *p = current; unsigned long nr_reclaimed; @@ -3343,7 +3335,7 @@ unsigned long shrink_all_memory(unsigned long nr_to_reclaim) reclaim_state.reclaimed_slab = 0; p->reclaim_state = &reclaim_state; - nr_reclaimed = do_try_to_free_pages(zonelist, &sc, &shrink); + nr_reclaimed = do_try_to_free_pages(zonelist, &sc); p->reclaim_state = NULL; lockdep_clear_current_reclaim_state(); |
