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| author | Sidhartha Kumar <sidhartha.kumar@oracle.com> | 2022-12-12 23:55:29 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-12-13 01:47:11 +0100 |
| commit | c45bc55a99957b20e4e0333bcd42e12d1833a7f5 (patch) | |
| tree | 351f020a04282256fcacfa458d36c3efc205a59e /mm/hugetlb.c | |
| parent | mm: mmu_gather: allow more than one batch of delayed rmaps (diff) | |
| download | linux-c45bc55a99957b20e4e0333bcd42e12d1833a7f5.tar.xz linux-c45bc55a99957b20e4e0333bcd42e12d1833a7f5.zip | |
mm/hugetlb: set head flag before setting compound_order in __prep_compound_gigantic_folio
folio_set_compound_order() checks if the passed in folio is a large folio.
A large folio is indicated by the PG_head flag. Call __folio_set_head()
before setting the order.
Link: https://lkml.kernel.org/r/20221212225529.22493-1-sidhartha.kumar@oracle.com
Fixes: d1c6095572d0 ("mm/hugetlb: convert hugetlb prep functions to folios")
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reported-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | mm/hugetlb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 8c6fe2286814..7cdbcc22587b 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1805,10 +1805,10 @@ static bool __prep_compound_gigantic_folio(struct folio *folio, int nr_pages = 1 << order; struct page *p; - /* we rely on prep_new_hugetlb_folio to set the destructor */ - folio_set_compound_order(folio, order); __folio_clear_reserved(folio); __folio_set_head(folio); + /* we rely on prep_new_hugetlb_folio to set the destructor */ + folio_set_compound_order(folio, order); for (i = 0; i < nr_pages; i++) { p = folio_page(folio, i); |