[PATCH mm-unstable 3/8] mm/memory-failure: convert hugetlb_clear_page_hwpoison to folios

From: Sidhartha Kumar
Date: Thu Jan 12 2023 - 16:03:32 EST


Change hugetlb_clear_page_hwpoison() to folio_clear_hugetlb_hwpoison() by
changing the function to take in a folio. This converts one use of
ClearPageHWPoison and HPageRawHwpUnreliable to their folio equivalents.

Signed-off-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
---
include/linux/hugetlb.h | 4 ++--
mm/hugetlb.c | 2 +-
mm/memory-failure.c | 10 +++++-----
3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index befe64cb40d1..c33e36f5a1dd 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -823,9 +823,9 @@ extern int dissolve_free_huge_pages(unsigned long start_pfn,
unsigned long end_pfn);

#ifdef CONFIG_MEMORY_FAILURE
-extern void hugetlb_clear_page_hwpoison(struct page *hpage);
+extern void folio_clear_hugetlb_hwpoison(struct folio *folio);
#else
-static inline void hugetlb_clear_page_hwpoison(struct page *hpage)
+static inline void folio_clear_hugetlb_hwpoison(struct folio *folio)
{
}
#endif
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index ae9c6ba07a8a..a5d410c16cbe 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1592,7 +1592,7 @@ static void __update_and_free_hugetlb_folio(struct hstate *h,
* which makes any healthy subpages reusable.
*/
if (unlikely(folio_test_hwpoison(folio)))
- hugetlb_clear_page_hwpoison(&folio->page);
+ folio_clear_hugetlb_hwpoison(folio);

for (i = 0; i < pages_per_huge_page(h); i++) {
subpage = folio_page(folio, i);
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index ca84b27489d0..205272c64f37 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1785,12 +1785,12 @@ static unsigned long free_raw_hwp_pages(struct page *hpage, bool move_flag)
return __free_raw_hwp_pages(hpage, move_flag);
}

-void hugetlb_clear_page_hwpoison(struct page *hpage)
+void folio_clear_hugetlb_hwpoison(struct folio *folio)
{
- if (HPageRawHwpUnreliable(hpage))
+ if (folio_test_hugetlb_raw_hwp_unreliable(folio))
return;
- ClearPageHWPoison(hpage);
- free_raw_hwp_pages(hpage, true);
+ folio_clear_hwpoison(folio);
+ free_raw_hwp_pages(&folio->page, true);
}

/*
@@ -1889,7 +1889,7 @@ static int try_memory_failure_hugetlb(unsigned long pfn, int flags, int *hugetlb
folio_lock(folio);

if (hwpoison_filter(p)) {
- hugetlb_clear_page_hwpoison(&folio->page);
+ folio_clear_hugetlb_hwpoison(folio);
if (migratable_cleared)
folio_set_hugetlb_migratable(folio);
folio_unlock(folio);
--
2.39.0