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Mon, 28 Apr 2025 10:18:18 -0700 (PDT) From: nifan.cxl@gmail.com To: muchun.song@linux.dev, willy@infradead.org Cc: mcgrof@kernel.org, a.manzanares@samsung.com, dave@stgolabs.net, akpm@linux-foundation.org, david@redhat.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Fan Ni , Sidhartha Kumar Subject: [PATCH v3 1/4] mm/hugetlb: Pass folio instead of page to unmap_ref_private() Date: Mon, 28 Apr 2025 10:11:44 -0700 Message-ID: <20250428171608.21111-4-nifan.cxl@gmail.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250428171608.21111-3-nifan.cxl@gmail.com> References: <20250428171608.21111-3-nifan.cxl@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Fan Ni The function unmap_ref_private() has only user, which passes in &folio->page. Let it take folio directly. Signed-off-by: Fan Ni Reviewed-by: Muchun Song Reviewed-by: Sidhartha Kumar Acked-by: David Hildenbrand Reviewed-by: Matthew Wilcox (Oracle) Reviewed-by: Oscar Salvador --- mm/hugetlb.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index e287d8050b40..b1268e7ca1f6 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -6039,7 +6039,7 @@ void unmap_hugepage_range(struct vm_area_struct *vma,= unsigned long start, * same region. */ static void unmap_ref_private(struct mm_struct *mm, struct vm_area_struct = *vma, - struct page *page, unsigned long address) + struct folio *folio, unsigned long address) { struct hstate *h =3D hstate_vma(vma); struct vm_area_struct *iter_vma; @@ -6083,7 +6083,8 @@ static void unmap_ref_private(struct mm_struct *mm, s= truct vm_area_struct *vma, */ if (!is_vma_resv_set(iter_vma, HPAGE_RESV_OWNER)) unmap_hugepage_range(iter_vma, address, - address + huge_page_size(h), page, 0); + address + huge_page_size(h), + &folio->page, 0); } i_mmap_unlock_write(mapping); } @@ -6206,8 +6207,7 @@ static vm_fault_t hugetlb_wp(struct folio *pagecache_= folio, hugetlb_vma_unlock_read(vma); mutex_unlock(&hugetlb_fault_mutex_table[hash]); =20 - unmap_ref_private(mm, vma, &old_folio->page, - vmf->address); + unmap_ref_private(mm, vma, old_folio, vmf->address); =20 mutex_lock(&hugetlb_fault_mutex_table[hash]); hugetlb_vma_lock_read(vma); --=20 2.47.2