1 files changed, 0 insertions, 5 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index eb2027892ef9..6f3d2c7af84b 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -122,9 +122,6 @@ nodemask_t node_states[NR_NODE_STATES] __read_mostly = {
 };
 EXPORT_SYMBOL(node_states);
 
-/* Protect totalram_pages and zone->managed_pages */
-static DEFINE_SPINLOCK(managed_page_count_lock);
-
 atomic_long_t _totalram_pages __read_mostly;
 EXPORT_SYMBOL(_totalram_pages);
 unsigned long totalreserve_pages __read_mostly;
@@ -7077,14 +7074,12 @@ early_param("movablecore", cmdline_parse_movablecore);
 
 void adjust_managed_page_count(struct page *page, long count)
 {
-        spin_lock(&managed_page_count_lock);
         atomic_long_add(count, &page_zone(page)->managed_pages);
         totalram_pages_add(count);
 #ifdef CONFIG_HIGHMEM
         if (PageHighMem(page))
                 totalhigh_pages_add(count);
 #endif
-        spin_unlock(&managed_page_count_lock);
 }
 EXPORT_SYMBOL(adjust_managed_page_count);