[PATCH] mm: hugetlb_vmemmap: remove redundant list_del()

From: Muchun Song
Date: Wed Oct 26 2022 - 23:40:57 EST


The ->lru field will be assigned to a new value in __free_page().
So it is unnecessary to delete it from the @list. Just remove it
to simplify the code.

Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
---
mm/hugetlb_vmemmap.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c
index 20f414c0379f..c98805d5b815 100644
--- a/mm/hugetlb_vmemmap.c
+++ b/mm/hugetlb_vmemmap.c
@@ -231,10 +231,8 @@ static void free_vmemmap_page_list(struct list_head *list)
{
struct page *page, *next;

- list_for_each_entry_safe(page, next, list, lru) {
- list_del(&page->lru);
+ list_for_each_entry_safe(page, next, list, lru)
free_vmemmap_page(page);
- }
}

static void vmemmap_remap_pte(pte_t *pte, unsigned long addr,
--
2.11.0