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 X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7D4CC33CB1 for ; Tue, 14 Jan 2020 09:18:12 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A660D2084D for ; Tue, 14 Jan 2020 09:18:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="sylEV5Zp" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A660D2084D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 44A4A8E0005; Tue, 14 Jan 2020 04:18:12 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 3F9148E0003; Tue, 14 Jan 2020 04:18:12 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 30F5B8E0005; Tue, 14 Jan 2020 04:18:12 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0092.hostedemail.com [216.40.44.92]) by kanga.kvack.org (Postfix) with ESMTP id 1D2148E0003 for ; Tue, 14 Jan 2020 04:18:12 -0500 (EST) Received: from smtpin12.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with SMTP id 9FEEF181AC9B6 for ; Tue, 14 Jan 2020 09:18:11 +0000 (UTC) X-FDA: 76375688382.12.point33_4779eeecdf35a X-HE-Tag: point33_4779eeecdf35a X-Filterd-Recvd-Size: 3565 Received: from mail-lf1-f66.google.com (mail-lf1-f66.google.com [209.85.167.66]) by imf13.hostedemail.com (Postfix) with ESMTP for ; Tue, 14 Jan 2020 09:18:11 +0000 (UTC) Received: by mail-lf1-f66.google.com with SMTP id m30so9216325lfp.8 for ; Tue, 14 Jan 2020 01:18:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=Yc0y8uz463x5qAhsWUWV2N6lRVpOZxjM4JWnGEym7+c=; b=sylEV5Zpn5pNSuN31wane98hYJzuCwmbgy+PrTgk59AEQMR2lMCk/Uz4k4P6Zk7jRP D9PZUocfF7ZDZIq7Sptbf0z0dqboOYitRFvx5enV2/LFtWbwpiy7TucQ5LdPFvBoFnAp T4nF1gtNi26yClhZcp5T/3DpmnbXGcZgtD4lwL311FlkGotzO8LA5u84Z0ijSSeo6So5 pHUzVBcmSWLQvXJmDH4GcTaxgHFtDweISiUoQiHPv1G3Z70GNj2gbfkpWvJmh5EyQkV7 xxuD7dCZIxLJrr58cj5/qnXqBu1as1CatDzqbnoFaagi/IcbGD0B75V2WT0aLRiuXt/h Xwpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=Yc0y8uz463x5qAhsWUWV2N6lRVpOZxjM4JWnGEym7+c=; b=Je9AUbIZ8yUzfnml3rxQS8hqDqBVchvxbvQEt6gK8PasabJ814Gduc1jnH9aQQqgO0 hNOVsfZJR1TLOqswv+v6Tb1/laD99SJ9DE7Yn/eCdCvfuaaJUZAYduxEXMLoMk2Wrxjh qp8gAMRafawmTCNmUPRfTvxdtUpMoLK+4OurIMt8pGmBLwmm6dZNy833FEYc0YqI+SF1 z5Y/uEm+cewATjufTY0fvFqXM29WXweZ4+0q55oN1F9rlGlb2ehUXe22ZAtl8uA1TEkW q8esbIAJ24+Q4CX/LFLg30sRVKDCkhKkHd53ydz3w2d1kqL5vfqBvJbmcB+7b9AK86Pl QEUw== X-Gm-Message-State: APjAAAVsamjP2W53yavIhs3Ssf0KRIDwZRZZN5Ir+u/OXZylSLvqq5uX bzftEcaIWnyT23HQkBDew1SSD51v X-Google-Smtp-Source: APXvYqwCU0VT/+g4VJV7cy19ZspeXnrWJ8Kdrj0EjOuxfQEBdpJuqS1sIMYWVa/IhZMs1GQ8D3PDYQ== X-Received: by 2002:ac2:46c2:: with SMTP id p2mr1027193lfo.139.1578993489360; Tue, 14 Jan 2020 01:18:09 -0800 (PST) Received: from localhost.localdomain.localdomain ([131.228.2.21]) by smtp.gmail.com with ESMTPSA id d25sm7231907ljj.51.2020.01.14.01.18.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 14 Jan 2020 01:18:08 -0800 (PST) From: Li Xinhai To: linux-mm@kvack.org Cc: akpm@linux-foundation.org, Michal Hocko , Mike Kravetz Subject: [PATCH 1/2] mm/mempolicy: Checking hstate for hugetlbfs page in vma_migratable Date: Tue, 14 Jan 2020 09:16:17 +0000 Message-Id: <1578993378-10860-1-git-send-email-lixinhai.lxh@gmail.com> X-Mailer: git-send-email 1.8.3.1 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Checking hstate at early phase when isolating page, instead of during unmap and move phase, to avoid useless isolation. Signed-off-by: Li Xinhai Cc: Michal Hocko Cc: Mike Kravetz --- include/linux/mempolicy.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h index 5228c62..986e51d 100644 --- a/include/linux/mempolicy.h +++ b/include/linux/mempolicy.h @@ -185,10 +185,9 @@ static inline bool vma_migratable(struct vm_area_struct *vma) if (vma_is_dax(vma)) return false; -#ifndef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION - if (vma->vm_flags & VM_HUGETLB) + if (is_vm_hugetlb_page(vma) && + !hugepage_migration_supported(hstate_vma(vma))) return false; -#endif /* * Migration allocates pages in the highest zone. If we cannot -- 1.8.3.1