2019-11-16 03:17:14

by Alex Shi

[permalink] [raw]
Subject: [PATCH v3 5/7] mm/pgdat: remove pgdat lru_lock

Now pgdat.lru_lock was replaced by lruvec lock. It's not used anymore.

Signed-off-by: Alex Shi <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Wei Yang <[email protected]>
Cc: Arun KS <[email protected]>
Cc: Oscar Salvador <[email protected]>
Cc: Mike Rapoport <[email protected]>
Cc: Alexander Duyck <[email protected]>
Cc: Pavel Tatashin <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Konstantin Khlebnikov <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
include/linux/mmzone.h | 1 -
mm/page_alloc.c | 1 -
2 files changed, 2 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 9b8b8daf4e03..2e9e67fd350c 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -736,7 +736,6 @@ struct deferred_split {

/* Write-intensive fields used by page reclaim */
ZONE_PADDING(_pad1_)
- spinlock_t lru_lock;

#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
/*
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f5ecbacb0e04..e8f2c8f755f4 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6803,7 +6803,6 @@ static void __meminit pgdat_init_internals(struct pglist_data *pgdat)
init_waitqueue_head(&pgdat->pfmemalloc_wait);

pgdat_page_ext_init(pgdat);
- spin_lock_init(&pgdat->lru_lock);
lruvec_init(&pgdat->__lruvec);
}

--
1.8.3.1