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 CA289C43334 for ; Thu, 2 Jun 2022 18:22:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238127AbiFBSWR (ORCPT ); Thu, 2 Jun 2022 14:22:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54644 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237942AbiFBSWJ (ORCPT ); Thu, 2 Jun 2022 14:22:09 -0400 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5DB5CA1BC for ; Thu, 2 Jun 2022 11:22:08 -0700 (PDT) Received: by mail-pj1-x1036.google.com with SMTP id gc3-20020a17090b310300b001e33092c737so5495461pjb.3 for ; Thu, 02 Jun 2022 11:22:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=TeR+saO9bGVSVDYLkT6whuJkztc98Y7uqJRw9Zwr6CA=; b=lox+mE5DUQIYDSINDMGLvp+f+4p6bG1alTdnY/p5yaPQT5MhcSCKJI+8s/kk/vYrgz FmcQS7G4CMRDlFwl2en89XVTfwF/hAIbYQkKoMHAdDWhFIaHkqtdpSXvA6PBc63CpxCI QdpyQZOXfOltvUHMi4sMlFeaVN4KN8g5IAllCh/D2rckkxATCgwcej4OmeqCVYOwgUG6 Hp6eQFXuIu0CX2Z+YMXbCI3f+zfr9qllgXYuEBQxqBuLFGxngc/1cMy4KaQscxiRzwMg gUYcE+aF5Qyi06JBD45s6qomtBFmAr3AdtDn3TQFbQkrcOfkcvp4efLZuD1aC1dcrnxH AqdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=TeR+saO9bGVSVDYLkT6whuJkztc98Y7uqJRw9Zwr6CA=; b=XXHYxXMNHRpe3TGiAt3gY3tHW+LK195YBJdOMRELtK0oaTOGRKQPq4saUGEso9A4nq EODAo3rBWr39wQ/RiYrjVVhIzRz2qoEwOskeMdArlD/LNcfEa9QoliaHoHeV5hH6VcfA ilq2PdTiKk7eAFxOQc+nf1+VZnsAjiibn0J7Flx15Dtna7M9gQzkyWje+DWK7Ym9zS3G K2li2z/4BeHgdHSPnuz9GCaRtk5QUyMEQ+pTNhzqL2LSlAwmi+oqHTZPcHX+WjnIHFr1 m1IM/qDX5pYUbbqlMdg6p+iLj/SN6BEKCN0PBqWpxAtfn5QYf8wM2ua59VPjeUYtgbpX wPSA== X-Gm-Message-State: AOAM530oEv6IbcTpJdpVxDM1gDoYefrmC5ZLAIRUvTiWz1esWhui5n6d Q/526T6zxGS9akFUOKflyiMgJiPKrOI= X-Google-Smtp-Source: ABdhPJwUloxNPQ1Kt3swhvWRsLalZE4j17qsysUEVMeRb96vd1+i3T7NbIkG0a3KYeFbHoyp7u9MwA== X-Received: by 2002:a17:90b:3b4c:b0:1e0:3354:5e5d with SMTP id ot12-20020a17090b3b4c00b001e033545e5dmr41812977pjb.239.1654194127979; Thu, 02 Jun 2022 11:22:07 -0700 (PDT) Received: from localhost.localdomain (c-67-174-241-145.hsd1.ca.comcast.net. [67.174.241.145]) by smtp.gmail.com with ESMTPSA id t10-20020a1709027fca00b0015f2d549b46sm3866779plb.237.2022.06.02.11.22.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jun 2022 11:22:07 -0700 (PDT) From: Yang Shi To: vbabka@suse.cz, kirill.shutemov@linux.intel.com, akpm@linux-foundation.org Cc: shy828301@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [v2 PATCH 3/7] mm: khugepaged: remove the redundant anon vma check Date: Thu, 2 Jun 2022 11:21:55 -0700 Message-Id: <20220602182159.248387-4-shy828301@gmail.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20220602182159.248387-1-shy828301@gmail.com> References: <20220602182159.248387-1-shy828301@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The hugepage_vma_check() already checked it, so remove the redundant check. Signed-off-by: Yang Shi --- mm/khugepaged.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/mm/khugepaged.c b/mm/khugepaged.c index d0f8020164fc..7a5d1c1a1833 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -966,9 +966,6 @@ static int hugepage_vma_revalidate(struct mm_struct *mm, unsigned long address, return SCAN_ADDRESS_RANGE; if (!hugepage_vma_check(vma, vma->vm_flags)) return SCAN_VMA_CHECK; - /* Anon VMA expected */ - if (!vma->anon_vma || !vma_is_anonymous(vma)) - return SCAN_VMA_CHECK; return 0; } -- 2.26.3