Use a folio throughout the function rather than using a head page. This
also reduces the users of the page version of hugetlb specific page flags.
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
---
mm/memory-failure.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 9a80d7830b40..ee7e79ec6eaf 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1807,20 +1807,20 @@ int __get_huge_page_for_hwpoison(unsigned long pfn, int flags,
bool *migratable_cleared)
{
struct page *page = pfn_to_page(pfn);
- struct page *head = compound_head(page);
+ struct folio *folio = page_folio(page);
int ret = 2; /* fallback to normal page handling */
bool count_increased = false;
- if (!PageHeadHuge(head))
+ if (!folio_test_hugetlb(folio))
goto out;
if (flags & MF_COUNT_INCREASED) {
ret = 1;
count_increased = true;
- } else if (HPageFreed(head)) {
+ } else if (folio_test_hugetlb_freed(folio)) {
ret = 0;
- } else if (HPageMigratable(head)) {
- ret = get_page_unless_zero(head);
+ } else if (folio_test_hugetlb_migratable(folio)) {
+ ret = folio_try_get(folio);
if (ret)
count_increased = true;
} else {
@@ -1829,24 +1829,24 @@ int __get_huge_page_for_hwpoison(unsigned long pfn, int flags,
goto out;
}
- if (hugetlb_set_page_hwpoison(head, page)) {
+ if (hugetlb_set_page_hwpoison(&folio->page, page)) {
ret = -EHWPOISON;
goto out;
}
/*
- * Clearing HPageMigratable for hwpoisoned hugepages to prevent them
+ * Clearing hugetlb_migratable for hwpoisoned hugepages to prevent them
* from being migrated by memory hotremove.
*/
- if (count_increased && HPageMigratable(head)) {
- ClearHPageMigratable(head);
+ if (count_increased && folio_test_hugetlb_migratable(folio)) {
+ folio_clear_hugetlb_migratable(folio);
*migratable_cleared = true;
}
return ret;
out:
if (count_increased)
- put_page(head);
+ folio_put(folio);
return ret;
}
--
2.39.0
