diff options
| author | Sidhartha Kumar <sidhartha.kumar@oracle.com> | 2023-01-18 09:40:39 -0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-02 22:33:23 -0800 |
| commit | 04bac040bc71b4b37550eed5854f34ca161756f9 (patch) | |
| tree | 7c34ff901c9a9db83c087febf3f12874231d9b4a /mm/memory-failure.c | |
| parent | b46402fa894f88ddb42a2e841618a8f42f57d16d (diff) | |
mm/hugetlb: convert get_hwpoison_huge_page() to folios
Straightforward conversion of get_hwpoison_huge_page() to
get_hwpoison_hugetlb_folio(). Reduces two references to a head page in
memory-failure.c
[arnd@arndb.de: fix get_hwpoison_hugetlb_folio() stub]
Link: https://lkml.kernel.org/r/20230119111920.635260-1-arnd@kernel.org
Link: https://lkml.kernel.org/r/20230118174039.14247-1-sidhartha.kumar@oracle.com
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 38f84bff8bdf..0a382191737f 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1257,28 +1257,28 @@ static inline bool HWPoisonHandlable(struct page *page, unsigned long flags) static int __get_hwpoison_page(struct page *page, unsigned long flags) { - struct page *head = compound_head(page); + struct folio *folio = page_folio(page); int ret = 0; bool hugetlb = false; - ret = get_hwpoison_huge_page(head, &hugetlb, false); + ret = get_hwpoison_hugetlb_folio(folio, &hugetlb, false); if (hugetlb) return ret; /* - * This check prevents from calling get_page_unless_zero() for any - * unsupported type of page in order to reduce the risk of unexpected - * races caused by taking a page refcount. + * This check prevents from calling folio_try_get() for any + * unsupported type of folio in order to reduce the risk of unexpected + * races caused by taking a folio refcount. */ - if (!HWPoisonHandlable(head, flags)) + if (!HWPoisonHandlable(&folio->page, flags)) return -EBUSY; - if (get_page_unless_zero(head)) { - if (head == compound_head(page)) + if (folio_try_get(folio)) { + if (folio == page_folio(page)) return 1; pr_info("%#lx cannot catch tail\n", page_to_pfn(page)); - put_page(head); + folio_put(folio); } return 0; @@ -1347,11 +1347,11 @@ out: static int __get_unpoison_page(struct page *page) { - struct page *head = compound_head(page); + struct folio *folio = page_folio(page); int ret = 0; bool hugetlb = false; - ret = get_hwpoison_huge_page(head, &hugetlb, true); + ret = get_hwpoison_hugetlb_folio(folio, &hugetlb, true); if (hugetlb) return ret; |