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mm: memory-failure: use helper macro llist_for_each_entry_safe() 

It's more convenient to use helper macro llist_for_each_entry_safe().
No functional change intended.

Link: https://lkml.kernel.org/r/20230807114125.3440802-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com> 
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2023-08-07 19:41:25 +08:00 committed by Andrew Morton
parent 9a9d0b8299
commit 6379693e3c
1 changed files with 5 additions and 8 deletions
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13
mm/memory-failure.c
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@ -1868,13 +1868,12 @@ bool is_raw_hwpoison_page_in_hugepage(struct page *page)
static unsigned long __folio_free_raw_hwp(struct folio *folio, bool move_flag)
{
struct llist_node *t, *tnode, *head;
struct llist_node *head;
struct raw_hwp_page *p, *next;
unsigned long count = 0;
head = llist_del_all(raw_hwp_list_head(folio));
llist_for_each_safe(tnode, t, head) {
struct raw_hwp_page *p = container_of(tnode, struct raw_hwp_page, node);
llist_for_each_entry_safe(p, next, head, node) {
if (move_flag)
SetPageHWPoison(p->page);
else
@ -1889,7 +1888,7 @@ static int folio_set_hugetlb_hwpoison(struct folio *folio, struct page *page)
{
struct llist_head *head;
struct raw_hwp_page *raw_hwp;
struct llist_node *t, *tnode;
struct raw_hwp_page *p, *next;
int ret = folio_test_set_hwpoison(folio) ? -EHWPOISON : 0;
/*
@ -1900,9 +1899,7 @@ static int folio_set_hugetlb_hwpoison(struct folio *folio, struct page *page)
if (folio_test_hugetlb_raw_hwp_unreliable(folio))
return -EHWPOISON;
head = raw_hwp_list_head(folio);
llist_for_each_safe(tnode, t, head->first) {
struct raw_hwp_page *p = container_of(tnode, struct raw_hwp_page, node);
llist_for_each_entry_safe(p, next, head->first, node) {
if (p->page == page)
return -EHWPOISON;
}