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Also remove a reference to a head page variable by using a folio instead. Signed-off-by: Sidhartha Kumar --- mm/memory_hotplug.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index ad09189786b1..d5a0672cdf3a 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1579,7 +1579,8 @@ static int scan_movable_pages(unsigned long start, unsigned long end, unsigned long pfn; for (pfn = start; pfn < end; pfn++) { - struct page *page, *head; + struct page *page; + struct folio *folio; unsigned long skip; if (!pfn_valid(pfn)) @@ -1599,9 +1600,9 @@ static int scan_movable_pages(unsigned long start, unsigned long end, if (PageOffline(page) && page_count(page)) return -EBUSY; - if (!PageHuge(page)) + folio = page_folio(page); + if (!folio_test_hugetlb(folio)) continue; - head = compound_head(page); /* * This test is racy as we hold no reference or lock. The * hugetlb page could have been free'ed and head is no longer @@ -1609,9 +1610,9 @@ static int scan_movable_pages(unsigned long start, unsigned long end, * cases false positives and negatives are possible. Calling * code must deal with these scenarios. */ - if (HPageMigratable(head)) + if (folio_test_hugetlb_migratable(folio)) goto found; - skip = compound_nr(head) - (page - head); + skip = folio_nr_pages(folio) - (page - &folio->page); pfn += skip - 1; } return -ENOENT;