Re: [PATCH 10/11] mm/page_alloc: Update PGFREE outside the zone lock in __free_pages_ok
From: Vlastimil Babka <hidden>
Date: 2021-04-15 13:04:42
Also in:
linux-mm, lkml
On 4/14/21 3:39 PM, Mel Gorman wrote:
VM events do not need explicit protection by disabling IRQs so update the counter with IRQs enabled in __free_pages_ok. Signed-off-by: Mel Gorman <redacted>
Acked-by: Vlastimil Babka <redacted>
quoted hunk ↗ jump to hunk
--- mm/page_alloc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a0b210077178..8a94fe77bef7 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c@@ -1569,10 +1569,11 @@ static void __free_pages_ok(struct page *page, unsigned int order, migratetype = get_pfnblock_migratetype(page, pfn); spin_lock_irqsave(&zone->lock, flags); - __count_vm_events(PGFREE, 1 << order); migratetype = check_migratetype_isolated(zone, page, pfn, migratetype); __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)