The patch titled
Subject: mm: hugetlb_vmemmap: remove redundant list_del()
has been added to the -mm mm-unstable branch. Its filename is
mm-hugetlb_vmemmap-remove-redundant-list_del.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-hugetlb_vmemmap-remove-redundant-list_del.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Subject: mm: hugetlb_vmemmap: remove redundant list_del()
Date: Thu, 27 Oct 2022 11:36:41 +0800
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.
Link: https://lkml.kernel.org/r/20221027033641.66709-1-songmuchun@xxxxxxxxxxxxx
Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/mm/hugetlb_vmemmap.c~mm-hugetlb_vmemmap-remove-redundant-list_del
+++ a/mm/hugetlb_vmemmap.c
@@ -231,10 +231,8 @@ static void free_vmemmap_page_list(struc
{
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,
_
Patches currently in -mm which might be from songmuchun@xxxxxxxxxxxxx are
mm-hugetlb_vmemmap-remove-redundant-list_del.patch
