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mm: compaction: remove duplicate !list_empty(&sublist) check

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The list_splice_tail(&sublist, freelist) also do !list_empty(&sublist)
check, so remove the duplicate call.

Link: https://lkml.kernel.org/r/20210609095409.19920-1-liu.xiang@zlingsmart.com
Signed-off-by: Liu Xiang <liu.xiang@zlingsmart.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:
Liu Xiang 2021-06-30 18:50:51 -07:00 committed by Linus Torvalds
parent 17adb230d6
commit d2155fe54d
1 changed files with 2 additions and 4 deletions
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6
mm/compaction.c
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@ -1297,8 +1297,7 @@ move_freelist_head(struct list_head *freelist, struct page *freepage)
if (!list_is_last(freelist, &freepage->lru)) {
list_cut_before(&sublist, freelist, &freepage->lru);
if (!list_empty(&sublist))
list_splice_tail(&sublist, freelist);
list_splice_tail(&sublist, freelist);
}
}
@ -1315,8 +1314,7 @@ move_freelist_tail(struct list_head *freelist, struct page *freepage)
if (!list_is_first(freelist, &freepage->lru)) {
list_cut_position(&sublist, freelist, &freepage->lru);
if (!list_empty(&sublist))
list_splice_tail(&sublist, freelist);
list_splice_tail(&sublist, freelist);
}
}