From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0CF776453 for ; Tue, 22 Mar 2022 21:42:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CB061C340EC; Tue, 22 Mar 2022 21:42:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1647985350; bh=8I0AvYzXU0dWraExZB72rwlmoaAJKY60nseCbClVmMU=; h=Date:To:From:In-Reply-To:Subject:From; b=bCsjG3bA5HiIdFWZ7NSSoMUAqaRgkLAIvzq0GSl4nLoF6XiL/s0fI97/lW6BVdrEH etmsxpd5ZsrZszR2lFUg834NUz0xIccw8j/o+zJXA6eaQ1ivZc0RADxPSZsGo9xtoi jfV5ELHNNzrHwI0pRhty+NjrNTWeMEsqxRlATxLE= Date: Tue, 22 Mar 2022 14:42:30 -0700 To: linmiaohe@huawei.com,akpm@linux-foundation.org,patches@lists.linux.dev,linux-mm@kvack.org,mm-commits@vger.kernel.org,torvalds@linux-foundation.org,akpm@linux-foundation.org From: Andrew Morton In-Reply-To: <20220322143803.04a5e59a07e48284f196a2f9@linux-foundation.org> Subject: [patch 078/227] mm/memory.c: use helper function range_in_vma() Message-Id: <20220322214230.CB061C340EC@smtp.kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: From: Miaohe Lin Subject: mm/memory.c: use helper function range_in_vma() Use helper function range_in_vma() to check if address, address + size are within the vma range. Minor readability improvement. Link: https://lkml.kernel.org/r/20220219021441.29173-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Signed-off-by: Andrew Morton --- mm/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/memory.c~mm-use-helper-function-range_in_vma +++ a/mm/memory.c @@ -1715,7 +1715,7 @@ static void zap_page_range_single(struct void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, unsigned long size) { - if (address < vma->vm_start || address + size > vma->vm_end || + if (!range_in_vma(vma, address, address + size) || !(vma->vm_flags & VM_PFNMAP)) return; _ From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CE70C433FE for ; Tue, 22 Mar 2022 21:43:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236151AbiCVVo1 (ORCPT ); Tue, 22 Mar 2022 17:44:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50878 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236185AbiCVVoD (ORCPT ); Tue, 22 Mar 2022 17:44:03 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D73F45F4DB for ; Tue, 22 Mar 2022 14:42:31 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7560661179 for ; Tue, 22 Mar 2022 21:42:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CB061C340EC; Tue, 22 Mar 2022 21:42:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1647985350; bh=8I0AvYzXU0dWraExZB72rwlmoaAJKY60nseCbClVmMU=; h=Date:To:From:In-Reply-To:Subject:From; b=bCsjG3bA5HiIdFWZ7NSSoMUAqaRgkLAIvzq0GSl4nLoF6XiL/s0fI97/lW6BVdrEH etmsxpd5ZsrZszR2lFUg834NUz0xIccw8j/o+zJXA6eaQ1ivZc0RADxPSZsGo9xtoi jfV5ELHNNzrHwI0pRhty+NjrNTWeMEsqxRlATxLE= Date: Tue, 22 Mar 2022 14:42:30 -0700 To: linmiaohe@huawei.com, akpm@linux-foundation.org, patches@lists.linux.dev, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org From: Andrew Morton In-Reply-To: <20220322143803.04a5e59a07e48284f196a2f9@linux-foundation.org> Subject: [patch 078/227] mm/memory.c: use helper function range_in_vma() Message-Id: <20220322214230.CB061C340EC@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Miaohe Lin Subject: mm/memory.c: use helper function range_in_vma() Use helper function range_in_vma() to check if address, address + size are within the vma range. Minor readability improvement. Link: https://lkml.kernel.org/r/20220219021441.29173-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Signed-off-by: Andrew Morton --- mm/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/memory.c~mm-use-helper-function-range_in_vma +++ a/mm/memory.c @@ -1715,7 +1715,7 @@ static void zap_page_range_single(struct void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, unsigned long size) { - if (address < vma->vm_start || address + size > vma->vm_end || + if (!range_in_vma(vma, address, address + size) || !(vma->vm_flags & VM_PFNMAP)) return; _