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authorsh_def@163.com <sh_def@163.com>2021-02-24 23:04:57 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-25 00:38:30 +0300
commit5df6d792011b0b221f0a3a7ba5a732230cd71b4f (patch)
treea7bfbf0348988aea1e5544981b46f1fe2444487f /mm/page_reporting.c
parent1583aa278f5f6a58b6ff8e9e703d0cca2b953d97 (diff)
downloadlinux-5df6d792011b0b221f0a3a7ba5a732230cd71b4f.tar.xz
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>
Diffstat (limited to 'mm/page_reporting.c')
-rw-r--r--mm/page_reporting.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_reporting.c b/mm/page_reporting.c
index cd8e13d41df4..c50d93ffa252 100644
--- a/mm/page_reporting.c
+++ b/mm/page_reporting.c
@@ -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);