The patch titled
Subject: mm/page_alloc: update PGFREE outside the zone lock in __free_pages_ok
has been removed from the -mm tree. Its filename was
mm-page_alloc-update-pgfree-outside-the-zone-lock-in-__free_pages_ok.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Subject: mm/page_alloc: update PGFREE outside the zone lock in __free_pages_ok
VM events do not need explicit protection by disabling IRQs so update the
counter with IRQs enabled in __free_pages_ok.
Link: https://lkml.kernel.org/r/20210512095458.30632-10-mgorman@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Chuck Lever <chuck.lever@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jesper Dangaard Brouer <brouer@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/mm/page_alloc.c~mm-page_alloc-update-pgfree-outside-the-zone-lock-in-__free_pages_ok
+++ a/mm/page_alloc.c
@@ -1600,13 +1600,14 @@ static void __free_pages_ok(struct page
migratetype = get_pfnblock_migratetype(page, pfn);
spin_lock_irqsave(&zone->lock, flags);
- __count_vm_events(PGFREE, 1 << order);
if (unlikely(has_isolate_pageblock(zone) ||
is_migrate_isolate(migratetype))) {
migratetype = get_pfnblock_migratetype(page, pfn);
}
__free_one_page(page, pfn, zone, order, migratetype, fpi_flags);
spin_unlock_irqrestore(&zone->lock, flags);
+
+ __count_vm_events(PGFREE, 1 << order);
}
void __free_pages_core(struct page *page, unsigned int order)
_
Patches currently in -mm which might be from mgorman@xxxxxxxxxxxxxxxxxxx are
