Messages in this thread Patch in this message | | | From | Kemeng Shi <> | Subject | [PATCH 1/9] mm/compaction: use correct list in move_freelist_{head}/{tail} | Date | Sat, 5 Aug 2023 19:07:03 +0800 |
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The freepage is chained with buddy_list in freelist head. Use buddy_list instead of lru to correct the list operation.
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> --- mm/compaction.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/mm/compaction.c b/mm/compaction.c index ea61922a1619..513b1caeb4fa 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1395,8 +1395,8 @@ move_freelist_head(struct list_head *freelist, struct page *freepage) { LIST_HEAD(sublist); - if (!list_is_last(freelist, &freepage->lru)) { - list_cut_before(&sublist, freelist, &freepage->lru); + if (!list_is_last(freelist, &freepage->buddy_list)) { + list_cut_before(&sublist, freelist, &freepage->buddy_list); list_splice_tail(&sublist, freelist); } } @@ -1412,8 +1412,8 @@ move_freelist_tail(struct list_head *freelist, struct page *freepage) { LIST_HEAD(sublist); - if (!list_is_first(freelist, &freepage->lru)) { - list_cut_position(&sublist, freelist, &freepage->lru); + if (!list_is_first(freelist, &freepage->buddy_list)) { + list_cut_position(&sublist, freelist, &freepage->buddy_list); list_splice_tail(&sublist, freelist); } } -- 2.30.0
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