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| author | Wei Yang <richard.weiyang@linux.alibaba.com> | 2020-10-15 20:09:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-16 11:11:18 -0700 |
| commit | 58f6f03497164445edaafbcf421dff712155ca7f (patch) | |
| tree | c156af09d2d8ffcd4357cb34af7ec929a3128461 /mm | |
| parent | c7df08f1953bb6cbd61b0c37f825b6e7b4489217 (diff) | |
| download | linux-58f6f03497164445edaafbcf421dff712155ca7f.tar.bz2 | |
mm/page_reporting.c: drop stale list head check in page_reporting_cycle
list_for_each_entry_safe() guarantees that we will never stumble over the
list head; "&page->lru != list" will always evaluate to true. Let's
simplify.
[david@redhat.com: Changelog refinements]
Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Link: http://lkml.kernel.org/r/20200818084448.33969-1-richard.weiyang@linux.alibaba.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_reporting.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_reporting.c b/mm/page_reporting.c index 3bbd471cfc81..aaaa3605123d 100644 --- a/mm/page_reporting.c +++ b/mm/page_reporting.c @@ -178,7 +178,7 @@ page_reporting_cycle(struct page_reporting_dev_info *prdev, struct zone *zone, * the new head of the free list before we release the * zone lock. */ - if (&page->lru != list && !list_is_first(&page->lru, list)) + if (!list_is_first(&page->lru, list)) list_rotate_to_front(&page->lru, list); /* release lock before waiting on report processing */ |