From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 676D7374D1 for ; Tue, 6 Aug 2024 02:21:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722910891; cv=none; b=RTaAKrk9DulXBwzAxO2eh0DkRjBEgom6n24l0osII8qmvlqkE0UejXpgFQFbCb44svBBTHPxD7h9Vknr8dxszzNaNexx4sFRf0X+DNYFCH4mpZfihwSOs+4qpF/YL56iAHBw2L+gLWfXNnHePhgcqxFT6j3HFRCJLFCQUKSFYgA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722910891; c=relaxed/simple; bh=Sj7lfQGWvEtR7yX9mZKYVaCGXWLFUoNnXGjl2VnaJPU=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=lWBKY4byHRibHjNd2MjxR06kfaFjenqeItVVlSUZu16mRTMWj4l6DmJ+OkEGHSei/t7ax0KZSEbAWWSvEBfv/44LKQMP1GQ3gUQZsoYWSUXiqps0exGX4wyL4wdJ5TSdt5NIfL1hFVsMfjAg2oBwW/lnMlurFcdFwhpUzS5xuIo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--yuzhao.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=UqOLC0x4; arc=none smtp.client-ip=209.85.128.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--yuzhao.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="UqOLC0x4" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-672bea19dd3so3764347b3.1 for ; Mon, 05 Aug 2024 19:21:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1722910889; x=1723515689; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=klWRv7jv+zR9aL4I7OIDRLjBsHfroErcwBIt7k9CqK8=; b=UqOLC0x4WDgfSwQXe7HSnxMRx3PySMuLFwi75HhU2E9CfcAy8BpgVxyBxiXo1/HTkL 05SIyCMOo0EPtYDlg37g4+zMPVTYuc+jujGCtLKGknzhBXd6HKsQAX0JdwFPPPkOFN37 Z08tdIAXdM/kitT7ELiKnSAH5riwJbJ87QIVkAz/yhpRTSwsC3etQ5/aOYFeKFP6MCx/ mAeVcTOjY+HUWrySsd+NWHpvL6/AOLUHh6k5J5mZ911KOC7PRfo2d6I/feeRH6eirYez JMS0DJUmH4vFo0CkvTlOKVnlF9L91p/m6iUnqGKAIir52wwTNwQo5jAFnYZCK+fcF93G YADA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722910889; x=1723515689; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=klWRv7jv+zR9aL4I7OIDRLjBsHfroErcwBIt7k9CqK8=; b=XME9LILP8wfWz+mTXQ5PIpP9myOMOnyNPcnyeAAkxaDKNTwH+iY9dy6U+XTKAb/wtA 4Bvmvzir48dwik+bHcFb0DRqpHABR+kXC6kBja/8AuwsCgWba/OvlpWjAzM4qf0nPJTA 1GWu3mNdQGFE9bWW2h2Sokl47F8I22E8bfl1GeysoYa73Hkn9YLmAJRFcdb+PCe2qWUT rIU4DHzAuQWqc0veDC6yW7wxTdRFZqIftqR63iIMVJtjMeDWw9g5XSwwHafSWZEr+jdi u34PH185aVtBWRSD1BG68d3dpgxLQmWeHAKvW3CqNRk3dI0tiRtV/erGaB4Qyor5deLE Z3fg== X-Forwarded-Encrypted: i=1; AJvYcCWt7MMLorTfZVLG9OXTNb1txEGCS8Mmn9nGhHVvLVXnXsRP5rzHdk8NLMy4spbmZT/2Sdtf2xQBrJI3wkFPko52ddGsIb68CbZ/S7C3 X-Gm-Message-State: AOJu0YxuDDU4VxeFtascojqNaGi0HcfF8o1O4e46HsjXBDRVZQ9Nr76c T7wuTanOg3JVLv7ShrlhjRYfCWt/7a9rxvK1pzy6XD8SBx/EnNJmJApuc9YIRWlnT1IKDj4Il8U ttA== X-Google-Smtp-Source: AGHT+IGBeIkNUsFUwrlBhpMmppS6FEO5hkHGCy4Rnvwll+98qZLKAoOlt7677TqFz3cp98ge6KT5O3g57gw= X-Received: from yuzhao2.bld.corp.google.com ([2a00:79e0:2e28:6:261c:802b:6b55:e09c]) (user=yuzhao job=sendgmr) by 2002:a05:6902:2b90:b0:e05:eccb:95dc with SMTP id 3f1490d57ef6-e0bde283222mr64471276.6.1722910889235; Mon, 05 Aug 2024 19:21:29 -0700 (PDT) Date: Mon, 5 Aug 2024 20:21:14 -0600 In-Reply-To: <20240806022114.3320543-1-yuzhao@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240806022114.3320543-1-yuzhao@google.com> X-Mailer: git-send-email 2.46.0.rc2.264.g509ed76dc8-goog Message-ID: <20240806022114.3320543-5-yuzhao@google.com> Subject: [RFC PATCH 4/4] arm64: mm: Re-enable OPTIMIZE_HUGETLB_VMEMMAP From: Yu Zhao To: Catalin Marinas , Will Deacon Cc: Andrew Morton , David Rientjes , Douglas Anderson , Frank van der Linden , Mark Rutland , Muchun Song , Nanyong Sun , Yang Shi , linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Muchun Song , Yu Zhao Content-Type: text/plain; charset="UTF-8" From: Nanyong Sun Now update of vmemmap page table can follow the rule of break-before-make safely for arm64 architecture, re-enable HVO on arm64. Signed-off-by: Nanyong Sun Reviewed-by: Muchun Song Signed-off-by: Yu Zhao --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index a2f8ff354ca6..25ff026cdaf5 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -105,6 +105,7 @@ config ARM64 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT select ARCH_WANT_FRAME_POINTERS select ARCH_WANT_HUGE_PMD_SHARE if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36) + select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP select ARCH_WANT_LD_ORPHAN_WARN select ARCH_WANTS_EXECMEM_LATE if EXECMEM select ARCH_WANTS_NO_INSTR -- 2.46.0.rc2.264.g509ed76dc8-goog