From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out0-198.mail.aliyun.com (out0-198.mail.aliyun.com [140.205.0.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9799BC8D1 for ; Sat, 18 May 2024 07:51:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=140.205.0.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716018711; cv=none; b=WXsakBZJFJ32Xk3nDzR54LEuVOacdQDUdUMRPuPwmVDkE2s8ZIHlnIzWQSTg9sPybUIXoJZ5FgPhkNd1WZhHJn0S5Bt+Mu9HaFiVvC8Fq95M57ggceMg0BWYhZysT9LomG30fE9T5jTZkK+YtD4JXa31tcXrlMsk8lbiD25GIok= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716018711; c=relaxed/simple; bh=ezZZUjXre2eUUn/DDsHxMohnuZJYrK0JL7K6dgq80Rs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=oycQXBCJ+iJsoLRdh0bfbBm6RKXL4kXw03KaTo1zA96trH98l9BrCXVcE6COfJzafuOOHGs4QlQR5lU5edqdgxiKC/c1akk+e6flvlTAJjFcDLuHOMVrhEtyl9Put9LLY8Gu36sgjvfu22xuDGiT0gTgIcljwJwniONH+5T9dS0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=antgroup.com; spf=pass smtp.mailfrom=antgroup.com; dkim=pass (1024-bit key) header.d=antgroup.com header.i=@antgroup.com header.b=0IlDP5wf; arc=none smtp.client-ip=140.205.0.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=antgroup.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=antgroup.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=antgroup.com header.i=@antgroup.com header.b="0IlDP5wf" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=antgroup.com; s=default; t=1716018701; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=MvaQlNmLKjB1JJG125kcLMl74RVFk5etnjUBr5sySWs=; b=0IlDP5wf+f6nRHb1uwC+DFTFkgr5wFHSQYK4a1lx22LkveOy8pulAeT3912AVIHSp9Tjjc+Bw2N9xd9zDmN4on1gERrUMinmxDE4eSSEERoUJ4ukg0bQSOI3MQea0c9x1tjJll3Bt2njP95WC6xagfRKhzy5flJ1RxmMkepXcrU= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R771e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018047203;MF=libang.li@antgroup.com;NM=1;PH=DS;RN=16;SR=0;TI=SMTPD_---.XgA9uMj_1716018698; Received: from localhost(mailfrom:libang.li@antgroup.com fp:SMTPD_---.XgA9uMj_1716018698) by smtp.aliyun-inc.com; Sat, 18 May 2024 15:51:39 +0800 From: "Bang Li" 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: , , , , , , , , "Bang Li" Subject: [PATCH v3 3/3] mm: Use update_mmu_tlb_range() to simplify code Date: Sat, 18 May 2024 15:49:14 +0800 Message-Id: <20240518074914.52170-4-libang.li@antgroup.com> X-Mailer: git-send-email 2.19.1.6.gb485710b In-Reply-To: <20240518074914.52170-1-libang.li@antgroup.com> References: <20240518074914.52170-1-libang.li@antgroup.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Let us simplify the code by update_mmu_tlb_range(). Signed-off-by: Bang Li --- 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