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 A951DC433EF for ; Fri, 20 May 2022 21:16:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353633AbiETVQ0 (ORCPT ); Fri, 20 May 2022 17:16:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353618AbiETVQT (ORCPT ); Fri, 20 May 2022 17:16:19 -0400 Received: from mail-pf1-x429.google.com (mail-pf1-x429.google.com [IPv6:2607:f8b0:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 180AA186FC for ; Fri, 20 May 2022 14:16:18 -0700 (PDT) Received: by mail-pf1-x429.google.com with SMTP id x143so8709296pfc.11 for ; Fri, 20 May 2022 14:16:18 -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=CWTSuBzkkT6cGFJIErCii42a5cTy6mj6tu0MEYBpYuw=; b=iGY0yXmtNOFzXqS3vyE8ZWNBhizNBWAbJa2rbH/Vkpzz7T3dDYF9Ol/pbh9S0aT/QO XAqSSTx79FNGM4luPdcTV/Iog4IgdOeHuLsBRaztYmtCMFvj43q1Ue3PA3TBcvLNo5/b vrpVPdbVgaIWH2tZoEFXRgwC8mh2vx6y6OO60N5j6CIvFX1tPqUnOEKRfunPOQr3b0qx FYZjBYPOpKz0LwrsaPFfj7T6567Q+Uik2rhKsrGy8XHJ9+2YtpcJW74Hzu54nURexFHm Bw55LeG5STs7fGwFdmdV3yvrAj0nfoJXzQgEZ/nVABaILAVfFB7HsmDEHYaYhfUATFlZ oyVg== 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=CWTSuBzkkT6cGFJIErCii42a5cTy6mj6tu0MEYBpYuw=; b=ZFOYBj7dNFeE/tETuNZ33SLQjztWoNrQbiRgaTzqBrqDxPn9uiCXkBieKYgNCoScWV fcnZRcXq2t9mMKK7FrcFS2l+XZzc2unQ5vGvQaBMjij//0XTZjCrJEfbgPLlvWZy4H05 tguX0W8q3jzc/545OQXVbVmM6z89vR0xJ1dtqS+IG6FQKo4Rpv+JhTAcNN9wOB8TsHXc iQ0Lng2SSduDBWpcDgqlZkrMi50dJjDr0OkUSKh6I1phI0RK38VOQw8JlWC2S//louym mq5uN4NroUyu75BknRAjRrTipU2NTN1cIVnQRCX/TuIHAIkQtHDJ8wN/6kAxSaTl0cZK uexg== X-Gm-Message-State: AOAM532Of6l1LbE6zfvJuITQRrRn5bq6lrz3kMlgd9KcERheVJWZK+tx 9hW8GqaAP4dh3LOkritVnkQ= X-Google-Smtp-Source: ABdhPJzR7VPOsIaHO4OZTJQpRymr7nffns8nLDPr1XGwHxgbnuzrVAXgs8g9ePKP8oLouCW6W3jqvA== X-Received: by 2002:a05:6a00:1c76:b0:510:8b76:93b5 with SMTP id s54-20020a056a001c7600b005108b7693b5mr12027301pfw.44.1653081376489; Fri, 20 May 2022 14:16:16 -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 h1-20020a170902748100b0015e8d4eb2c2sm167620pll.268.2022.05.20.14.16.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 May 2022 14:16:15 -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: [PATCH 3/7] mm: khugepaged: remove the redundant anon vma check Date: Fri, 20 May 2022 14:16:01 -0700 Message-Id: <20220520211605.51473-4-shy828301@gmail.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20220520211605.51473-1-shy828301@gmail.com> References: <20220520211605.51473-1-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 5bdb30a76f05..4fe1dd3d8ef4 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