Message ID | 20231106154950.3399469-9-wangkefeng.wang@huawei.com (mailing list archive) |
---|---|
State | New |
Headers | show
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Series |
mm: convert mm counter to take a folio
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expand
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diff --git a/mm/memory.c b/mm/memory.c index fbed32a09fec..dd3760988e02 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1854,10 +1854,13 @@ static int validate_page_before_insert(struct page *page) static int insert_page_into_pte_locked(struct vm_area_struct *vma, pte_t *pte, unsigned long addr, struct page *page, pgprot_t prot) { + struct folio *folio; + if (!pte_none(ptep_get(pte))) return -EBUSY; + folio = page_folio(page); /* Ok, finally just insert the thing.. */ - get_page(page); + folio_get(folio); inc_mm_counter(vma->vm_mm, mm_counter_file(page)); page_add_file_rmap(page, vma, false); set_pte_at(vma->vm_mm, addr, pte, mk_pte(page, prot));
Use a folio in insert_page_into_pte_locked(), which is preparetion for converting mm counter functions to take a folio. Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> --- mm/memory.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)