Received: by 2002:a05:6a10:a841:0:0:0:0 with SMTP id d1csp4499660pxy; Tue, 27 Apr 2021 06:33:19 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxCl94r6477nsCSAa/9wnbvVRFawRj7M09lDzPmAb9lOBuRK+zwtl+XYVRVLKogkpG1wYUb X-Received: by 2002:a62:f90d:0:b029:250:5397:4658 with SMTP id o13-20020a62f90d0000b029025053974658mr23021097pfh.48.1619530399163; Tue, 27 Apr 2021 06:33:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1619530399; cv=none; d=google.com; s=arc-20160816; b=sFvE3DU1dVsQRneIKeuppqRFGm8lLfueinjQx2+X09Rj76oqvoy/2s6CrEOj9+KuZ9 3WMmjeJj4Ajc2UhU0+/5i0k7ehu2mhcwYEWHPn/A2z8TZUkfLQ9jF8SqgqY1fx6meRdN +Cyyr8WLBB0PhVviYfxnBHPm4S84RaTsT0BYXOTk10eppVhUKqtMHShUirmk6VW72xao mM0RTP77hdQJQ8Rjm+xIRsp/DtWUqr8DfMaemng1BljogeDY83lRgbkDcj7evDTP0boP hRyauanopHRHb7vFTXMG/RG6nLF2gU9VlYu79v9LkCdAnVfKFxnoCcIsc4vDJAem7lm+ vczQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=NEE3Tem0qO6Q4Iges/Xlt/IL4y3EOciPfl4DCAsG5Ws=; b=zJPx0nL7Y7M+KhJm8uitRG/mBxprJlgOY4V0fFy690xz4nX12gM8paQjuanMsJpp4w SaQ6SP9LTxc2BVu2XEi2KjvIbiFpn/zbZO5A+KnJa1HrCC4kNVFPjG9zBXxNv84KabjK BOUjnDHecQ1sdfWODO0j7TuJAKF9ruEeeQKtH9APkK1VoLukyrKSvBznytyvRzEmii+C B9qjK+x0RCEgY1+g+ctsNXfIoU8/u3tRxh6aSt5siFQmpXZYqz/TBjmNoF5DNYuzQRJA 8o08cWYE2GT2GCjY7Ed2ZtwJvQC8GAEpw3isi8p3/Rz4GZummyuSHKt4upII0G55i+sH R0Hw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id pi8si3325622pjb.155.2021.04.27.06.33.06; Tue, 27 Apr 2021 06:33:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237839AbhD0NdP (ORCPT + 99 others); Tue, 27 Apr 2021 09:33:15 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:17403 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235875AbhD0NdP (ORCPT ); Tue, 27 Apr 2021 09:33:15 -0400 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4FV2h50Mw2zlZkV; Tue, 27 Apr 2021 21:30:29 +0800 (CST) Received: from huawei.com (10.175.104.170) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.498.0; Tue, 27 Apr 2021 21:32:21 +0800 From: Miaohe Lin To: CC: , , , , , , , , , , , , , Subject: [PATCH 0/5] Cleanup and fixup for huge_memory Date: Tue, 27 Apr 2021 21:32:09 +0800 Message-ID: <20210427133214.2270207-1-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.104.170] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, This series contains cleanups to remove dedicated macro and remove unnecessary tlb_remove_page_size() for huge zero pmd. Also this adds missing read-only THP checking for transparent_hugepage_enabled() and avoids discarding hugepage if other processes are mapping it. More details can be found in the respective changelogs. Thanks! Miaohe Lin (5): mm/huge_memory.c: remove dedicated macro HPAGE_CACHE_INDEX_MASK mm/huge_memory.c: use page->deferred_list mm/huge_memory.c: add missing read-only THP checking in transparent_hugepage_enabled() mm/huge_memory.c: remove unnecessary tlb_remove_page_size() for huge zero pmd mm/huge_memory.c: don't discard hugepage if other processes are mapping it include/linux/huge_mm.h | 6 ++---- mm/huge_memory.c | 12 ++++++------ 2 files changed, 8 insertions(+), 10 deletions(-) -- 2.23.0