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 C568FC4332F for ; Mon, 28 Feb 2022 23:58:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231666AbiB1X6w (ORCPT ); Mon, 28 Feb 2022 18:58:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35044 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231607AbiB1X6o (ORCPT ); Mon, 28 Feb 2022 18:58:44 -0500 Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD93A40E4E; Mon, 28 Feb 2022 15:58:04 -0800 (PST) Received: by mail-pl1-x62a.google.com with SMTP id ay5so9251891plb.1; Mon, 28 Feb 2022 15:58:04 -0800 (PST) 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=7qVTXgEk7jDbNe3RIcGVI67pez+4LMoxn8Ha8tkNEVM=; b=I/uneKQYRfBvvU1QYfMRxA9cdeOKNDx/GA80yQj/Vii5WOYT8JOLzKQ39OtDsLJu0e w68+trSpW+r3e+66nPqchuDl41VrZKCXAQGBhtvqKIYb9WYtGnPkgetwDILXcx3Ufnm6 qMBAVb3txy8flmueV6alKq9spfgtUhlVfk7krxGlnlerA9XBBtqiWGZLBz96Yoa74hLj Od7jXKzhB8UI9wQQeuJYi4wYkOq19NjFPBQEOFDqXYdIwIKiaAZkzknKapA4y0+lcBGv J2k+NZJFmd7jy+8HFikciV61Djwz36lqySOqaLUGqMA7vNp0f/ai6ZRZpZv18TqYZ8j0 EYOQ== 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=7qVTXgEk7jDbNe3RIcGVI67pez+4LMoxn8Ha8tkNEVM=; b=6h0dU8/uMz0b5aalZ5alqVNnBpRZhWH2HKe6SxMNvPcRmIpVyj40Q+qBmu+qi/3ISi SbXnJ9iYIXcy9vspVFUBMs5mnB/7/EZZUTtLN+mVQlISM1gwq7R0wK6Z2qHLw3rZeWx7 aCDM5NERmMqhUkTuyG+0P7YnhC9qk/lc6I4jOsYRLyu+rz1R9qgBzVJ9/wOv0RmXgAVb RWrnQoNU6WutKPr09o30F4LH1kPAoBaT/lZxUSrHBJz8KOIRnMpK8evfsTa53lvJbBX8 iaHVEvOUiSSDLJoNiEF4179LUsx2EIDPO/djPfpAdNsjUkpHf1V5AkHvYSMQoNr5Hsnl Ytjw== X-Gm-Message-State: AOAM530zO55JZw/7N9tiRcieUaizykWpAfB3mzZgYnES3sgCdVGeGjEb oP2Va/7qk7+1Xa2sURXyk0w= X-Google-Smtp-Source: ABdhPJwS2d/mQvKUD9RT9YRNebvue4fyV0w7v+iF01ewR6eZtUfak47eHHmfgpbarwiWX2HhFS9nLA== X-Received: by 2002:a17:902:b204:b0:14d:a8c8:af37 with SMTP id t4-20020a170902b20400b0014da8c8af37mr23074869plr.108.1646092684471; Mon, 28 Feb 2022 15:58:04 -0800 (PST) Received: from localhost.localdomain (c-67-174-241-145.hsd1.ca.comcast.net. [67.174.241.145]) by smtp.gmail.com with ESMTPSA id on15-20020a17090b1d0f00b001b9d1b5f901sm396963pjb.47.2022.02.28.15.57.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Feb 2022 15:58:04 -0800 (PST) From: Yang Shi To: vbabka@suse.cz, kirill.shutemov@linux.intel.com, songliubraving@fb.com, linmiaohe@huawei.com, riel@surriel.com, willy@infradead.org, ziy@nvidia.com, akpm@linux-foundation.org, tytso@mit.edu, adilger.kernel@dilger.ca, darrick.wong@oracle.com Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/8] sched: coredump.h: clarify the use of MMF_VM_HUGEPAGE Date: Mon, 28 Feb 2022 15:57:34 -0800 Message-Id: <20220228235741.102941-2-shy828301@gmail.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20220228235741.102941-1-shy828301@gmail.com> References: <20220228235741.102941-1-shy828301@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org MMF_VM_HUGEPAGE is set as long as the mm is available for khugepaged by khugepaged_enter(), not only when VM_HUGEPAGE is set on vma. Correct the comment to avoid confusion. Signed-off-by: Yang Shi --- include/linux/sched/coredump.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h index 4d9e3a656875..4d0a5be28b70 100644 --- a/include/linux/sched/coredump.h +++ b/include/linux/sched/coredump.h @@ -57,7 +57,8 @@ static inline int get_dumpable(struct mm_struct *mm) #endif /* leave room for more dump flags */ #define MMF_VM_MERGEABLE 16 /* KSM may merge identical pages */ -#define MMF_VM_HUGEPAGE 17 /* set when VM_HUGEPAGE is set on vma */ +#define MMF_VM_HUGEPAGE 17 /* set when mm is available for + khugepaged */ /* * This one-shot flag is dropped due to necessity of changing exe once again * on NFS restore -- 2.26.3