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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@163.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
sh_def@163.com 2021-02-24 12:04:57 -08:00 committed by Linus Torvalds
parent 1583aa278f
commit 5df6d79201
1 changed files with 1 additions and 1 deletions
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mm/page_reporting.c
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@ -211,7 +211,7 @@ page_reporting_cycle(struct page_reporting_dev_info *prdev, struct zone *zone,
}
/* 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);