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| author | Liu Xiang <liu.xiang@zlingsmart.com> | 2021-06-30 18:50:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-30 20:47:29 -0700 |
| commit | d2155fe54ddb6e289b4f7854df5a7d828d6efbb5 (patch) | |
| tree | 96900ba4918aa2c1b4ba1ca6d544bbfcb3b82020 | |
| parent | 17adb230d6a6e39f9ba39440ee8441291795dff4 (diff) | |
| download | linux-stable-d2155fe54ddb6e289b4f7854df5a7d828d6efbb5.tar.gz linux-stable-d2155fe54ddb6e289b4f7854df5a7d828d6efbb5.tar.bz2 linux-stable-d2155fe54ddb6e289b4f7854df5a7d828d6efbb5.zip | |
mm: compaction: remove duplicate !list_empty(&sublist) check
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>
| -rw-r--r-- | mm/compaction.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index b7fb991dee1b..f27ea22f297a 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -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); } } |