Messages in this thread Patch in this message | | | From | Kefeng Wang <> | Subject | [PATCH v2 2/6] mm: memory: use a folio in validate_page_before_insert() | Date | Mon, 13 Nov 2023 23:22:18 +0800 |
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Use a folio in validate_page_before_insert() to save two compound_head() calls.
Reviewed-by: Sidhartha Kumar <sidhartha.kumar@oracle.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> --- mm/memory.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/mm/memory.c b/mm/memory.c index c32954e16b28..379354b35891 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1841,9 +1841,12 @@ pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr, static int validate_page_before_insert(struct page *page) { - if (PageAnon(page) || PageSlab(page) || page_has_type(page)) + struct folio *folio = page_folio(page); + + if (folio_test_anon(folio) || folio_test_slab(folio) || + page_has_type(page)) return -EINVAL; - flush_dcache_page(page); + flush_dcache_folio(folio); return 0; } -- 2.27.0
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