From 57405fb945e06dbe6931bbb5ccd52a8b08985095 Mon Sep 17 00:00:00 2001 From: Pengfei Li Date: Mon, 23 Sep 2019 15:36:58 -0700 Subject: [PATCH 0945/2944] mm/compaction.c: remove unnecessary zone parameter in isolate_migratepages() to #26255339 commit 32aaf0553df99cc4314f6e9f43216cd83afc6c20 upstream Like commit 40cacbcb3240 ("mm, compaction: remove unnecessary zone parameter in some instances"), remove unnecessary zone parameter. No functional change. Link: http://lkml.kernel.org/r/20190806151616.21107-1-lpf.vector@gmail.com Signed-off-by: Pengfei Li Reviewed-by: Andrew Morton Acked-by: Vlastimil Babka Cc: Mel Gorman Cc: Qian Cai Cc: Andrey Ryabinin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Yang Shi Reviewed-by: Xunlei Pang --- mm/compaction.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/mm/compaction.c b/mm/compaction.c index 3ccfbb4..12923c1 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1737,8 +1737,7 @@ static unsigned long fast_find_migrateblock(struct compact_control *cc) * starting at the block pointed to by the migrate scanner pfn within * compact_control. */ -static isolate_migrate_t isolate_migratepages(struct zone *zone, - struct compact_control *cc) +static isolate_migrate_t isolate_migratepages(struct compact_control *cc) { unsigned long block_start_pfn; unsigned long block_end_pfn; @@ -1756,8 +1755,8 @@ static isolate_migrate_t isolate_migratepages(struct zone *zone, */ low_pfn = fast_find_migrateblock(cc); block_start_pfn = pageblock_start_pfn(low_pfn); - if (block_start_pfn < zone->zone_start_pfn) - block_start_pfn = zone->zone_start_pfn; + if (block_start_pfn < cc->zone->zone_start_pfn) + block_start_pfn = cc->zone->zone_start_pfn; /* * fast_find_migrateblock marks a pageblock skipped so to avoid @@ -1787,8 +1786,8 @@ static isolate_migrate_t isolate_migratepages(struct zone *zone, if (!(low_pfn % (SWAP_CLUSTER_MAX * pageblock_nr_pages))) cond_resched(); - page = pageblock_pfn_to_page(block_start_pfn, block_end_pfn, - zone); + page = pageblock_pfn_to_page(block_start_pfn, + block_end_pfn, cc->zone); if (!page) continue; @@ -2169,7 +2168,7 @@ bool compaction_zonelist_suitable(struct alloc_context *ac, int order, cc->rescan = true; } - switch (isolate_migratepages(cc->zone, cc)) { + switch (isolate_migratepages(cc)) { case ISOLATE_ABORT: ret = COMPACT_CONTENDED; putback_movable_pages(&cc->migratepages); -- 1.8.3.1