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From: "Bang Li" <libang.li@antgroup.com>
To: akpm@linux-foundation.org, chenhuacai@kernel.org,
	tsbogend@alpha.franken.de, paul.walmsley@sifive.com,
	palmer@dabbelt.com, chris@zankel.net, jcmvbkbc@gmail.com
Cc: <linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>,
	<loongarch@lists.linux.dev>, <linux-riscv@lists.infradead.org>,
	<david@redhat.com>, <ryan.roberts@arm.com>, <ioworker0@gmail.com>,
	<libang.linux@gmail.com>, "Bang Li" <libang.li@antgroup.com>
Subject: [PATCH v3 3/3] mm: Use update_mmu_tlb_range() to simplify code
Date: Sat, 18 May 2024 15:49:14 +0800	[thread overview]
Message-ID: <20240518074914.52170-4-libang.li@antgroup.com> (raw)
In-Reply-To: <20240518074914.52170-1-libang.li@antgroup.com>

Let us simplify the code by update_mmu_tlb_range().

Signed-off-by: Bang Li <libang.li@antgroup.com>
---
 mm/memory.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/memory.c b/mm/memory.c
index eea6e4984eae..2d53e29cf76e 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4421,7 +4421,6 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
 	vm_fault_t ret = 0;
 	int nr_pages = 1;
 	pte_t entry;
-	int i;
 
 	/* File mapping without ->vm_ops ? */
 	if (vma->vm_flags & VM_SHARED)
@@ -4491,8 +4490,7 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
 		update_mmu_tlb(vma, addr, vmf->pte);
 		goto release;
 	} else if (nr_pages > 1 && !pte_range_none(vmf->pte, nr_pages)) {
-		for (i = 0; i < nr_pages; i++)
-			update_mmu_tlb(vma, addr + PAGE_SIZE * i, vmf->pte + i);
+		update_mmu_tlb_range(vma, addr, vmf->pte, nr_pages);
 		goto release;
 	}
 
-- 
2.19.1.6.gb485710b



  parent reply	other threads:[~2024-05-18  7:51 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-18  7:49 [PATCH v3 0/3] Add " Bang Li
2024-05-18  7:49 ` [PATCH v3 1/3] mm: Add update_mmu_tlb_range() Bang Li
     [not found]   ` <b356b558-d327-4bbc-9290-4e296877d145@redhat.com>
2024-05-21 15:36     ` Bang Li
2024-05-18  7:49 ` [PATCH v3 2/3] mm: Refactor update_mmu_tlb() Bang Li
2024-05-21  9:36   ` David Hildenbrand
2024-05-21 15:36     ` Bang Li
2024-05-18  7:49 ` Bang Li [this message]
2024-05-20 14:45   ` [PATCH v3 3/3] mm: Use update_mmu_tlb_range() to simplify code Lance Yang
2024-05-21  9:37   ` David Hildenbrand

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