From: sh <sh_def@xxxxxxx> Subject: mm/page_reporting: use list_entry_is_head() in page_reporting_cycle() Replace '&next->lru != list' with list_entry_is_head(). No functional change. Link: https://lkml.kernel.org/r/20201222182735.GA1257912@ubuntu-A520I-AC Signed-off-by: sh <sh_def@xxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Alexander Duyck <alexander.h.duyck@xxxxxxxxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_reporting.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/page_reporting.c~mm-page_reporting-use-list_entry_is_head-in-page_reporting_cycle +++ a/mm/page_reporting.c @@ -211,7 +211,7 @@ page_reporting_cycle(struct page_reporti } /* Rotate any leftover pages to the head of the freelist */ - if (&next->lru != list && !list_is_first(&next->lru, list)) + if (!list_entry_is_head(next, list, lru) && !list_is_first(&next->lru, list)) list_rotate_to_front(&next->lru, list); spin_unlock_irq(&zone->lock); _
