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=-17.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 B8D73C2B9F4 for ; Thu, 17 Jun 2021 12:39:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D1FC610A5 for ; Thu, 17 Jun 2021 12:39:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231634AbhFQMlZ (ORCPT ); Thu, 17 Jun 2021 08:41:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:41512 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231598AbhFQMkv (ORCPT ); Thu, 17 Jun 2021 08:40:51 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1B617610A5; Thu, 17 Jun 2021 12:38:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623933523; bh=wxVbBQVNCA7My/C1JNhC1Ucq0HI7253+aqXVm04zWO0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=kF42sZhghGBLxxBAYG3hM4K3omfHY0CMtTE3gJ8Eeqv1iMLRC1IMlfO9QjPowEiEk rPipiEg1rA8EyEU4Ulrf344Ng1nL30JAVdlYZMyamoQNL9oHf4TnVXwE929g0Xe3MP c8FAmzELoejQ1NODQ1M7M2yjvMZm2qKnq5O0i6YlSIOqL9eVB+o41Filg4S08pzzfl w++htxppZ98T2xSvMXpXHu6Pm0S8dx/N2s2OmD+2dNDwYG+ak2BogG4GKGQV4kniag R4mM7tJn8p/nzCbbwEchy5CgyUV8RL72kOg3hcT1DcUTjCe5w+Lq1HurZ3ntJtqWNk KgLEE4wFcJjGA== Date: Thu, 17 Jun 2021 13:38:37 +0100 From: Will Deacon To: Yanan Wang Cc: Marc Zyngier , Quentin Perret , Alexandru Elisei , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Catalin Marinas , James Morse , Julien Thierry , Suzuki K Poulose , Gavin Shan , wanghaibin.wang@huawei.com, zhukeqian1@huawei.com, yuzenghui@huawei.com Subject: Re: [PATCH v7 1/4] KVM: arm64: Introduce two cache maintenance callbacks Message-ID: <20210617123837.GA24457@willie-the-truck> References: <20210617105824.31752-1-wangyanan55@huawei.com> <20210617105824.31752-2-wangyanan55@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210617105824.31752-2-wangyanan55@huawei.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 17, 2021 at 06:58:21PM +0800, Yanan Wang wrote: > To prepare for performing CMOs for guest stage-2 in the fault handlers > in pgtable.c, here introduce two cache maintenance callbacks in struct > kvm_pgtable_mm_ops. We also adjust the comment alignment for the > existing part but make no real content change at all. > > Signed-off-by: Yanan Wang > --- > arch/arm64/include/asm/kvm_pgtable.h | 42 +++++++++++++++++----------- > 1 file changed, 25 insertions(+), 17 deletions(-) > > diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h > index c3674c47d48c..b6ce34aa44bb 100644 > --- a/arch/arm64/include/asm/kvm_pgtable.h > +++ b/arch/arm64/include/asm/kvm_pgtable.h > @@ -27,23 +27,29 @@ typedef u64 kvm_pte_t; > > /** > * struct kvm_pgtable_mm_ops - Memory management callbacks. > - * @zalloc_page: Allocate a single zeroed memory page. The @arg parameter > - * can be used by the walker to pass a memcache. The > - * initial refcount of the page is 1. > - * @zalloc_pages_exact: Allocate an exact number of zeroed memory pages. The > - * @size parameter is in bytes, and is rounded-up to the > - * next page boundary. The resulting allocation is > - * physically contiguous. > - * @free_pages_exact: Free an exact number of memory pages previously > - * allocated by zalloc_pages_exact. > - * @get_page: Increment the refcount on a page. > - * @put_page: Decrement the refcount on a page. When the refcount > - * reaches 0 the page is automatically freed. > - * @page_count: Return the refcount of a page. > - * @phys_to_virt: Convert a physical address into a virtual address mapped > - * in the current context. > - * @virt_to_phys: Convert a virtual address mapped in the current context > - * into a physical address. > + * @zalloc_page: Allocate a single zeroed memory page. > + * The @arg parameter can be used by the walker > + * to pass a memcache. The initial refcount of > + * the page is 1. > + * @zalloc_pages_exact: Allocate an exact number of zeroed memory pages. > + * The @size parameter is in bytes, and is rounded > + * up to the next page boundary. The resulting > + * allocation is physically contiguous. > + * @free_pages_exact: Free an exact number of memory pages previously > + * allocated by zalloc_pages_exact. > + * @get_page: Increment the refcount on a page. > + * @put_page: Decrement the refcount on a page. When the > + * refcount reaches 0 the page is automatically > + * freed. > + * @page_count: Return the refcount of a page. > + * @phys_to_virt: Convert a physical address into a virtual address > + * mapped in the current context. > + * @virt_to_phys: Convert a virtual address mapped in the current > + * context into a physical address. > + * @clean_invalidate_dcache: Clean and invalidate the data cache for the > + * specified memory address range. This should probably be explicit about whether this to the PoU/PoC/PoP. Will 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=-15.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 80F49C2B9F4 for ; Thu, 17 Jun 2021 12:38:49 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 01CCC610CA for ; Thu, 17 Jun 2021 12:38:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 01CCC610CA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 817544A523; Thu, 17 Jun 2021 08:38:48 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@kernel.org Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mu0OczMpFEkr; Thu, 17 Jun 2021 08:38:46 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 568D64A1B0; Thu, 17 Jun 2021 08:38:46 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id C18AF49E93 for ; Thu, 17 Jun 2021 08:38:45 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6YIuAjfr2rGa for ; Thu, 17 Jun 2021 08:38:44 -0400 (EDT) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id A7DFA407B0 for ; Thu, 17 Jun 2021 08:38:44 -0400 (EDT) Received: by mail.kernel.org (Postfix) with ESMTPSA id 1B617610A5; Thu, 17 Jun 2021 12:38:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623933523; bh=wxVbBQVNCA7My/C1JNhC1Ucq0HI7253+aqXVm04zWO0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=kF42sZhghGBLxxBAYG3hM4K3omfHY0CMtTE3gJ8Eeqv1iMLRC1IMlfO9QjPowEiEk rPipiEg1rA8EyEU4Ulrf344Ng1nL30JAVdlYZMyamoQNL9oHf4TnVXwE929g0Xe3MP c8FAmzELoejQ1NODQ1M7M2yjvMZm2qKnq5O0i6YlSIOqL9eVB+o41Filg4S08pzzfl w++htxppZ98T2xSvMXpXHu6Pm0S8dx/N2s2OmD+2dNDwYG+ak2BogG4GKGQV4kniag R4mM7tJn8p/nzCbbwEchy5CgyUV8RL72kOg3hcT1DcUTjCe5w+Lq1HurZ3ntJtqWNk KgLEE4wFcJjGA== Date: Thu, 17 Jun 2021 13:38:37 +0100 From: Will Deacon To: Yanan Wang Subject: Re: [PATCH v7 1/4] KVM: arm64: Introduce two cache maintenance callbacks Message-ID: <20210617123837.GA24457@willie-the-truck> References: <20210617105824.31752-1-wangyanan55@huawei.com> <20210617105824.31752-2-wangyanan55@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210617105824.31752-2-wangyanan55@huawei.com> User-Agent: Mutt/1.10.1 (2018-07-13) Cc: kvm@vger.kernel.org, Marc Zyngier , linux-kernel@vger.kernel.org, Catalin Marinas , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Thu, Jun 17, 2021 at 06:58:21PM +0800, Yanan Wang wrote: > To prepare for performing CMOs for guest stage-2 in the fault handlers > in pgtable.c, here introduce two cache maintenance callbacks in struct > kvm_pgtable_mm_ops. We also adjust the comment alignment for the > existing part but make no real content change at all. > > Signed-off-by: Yanan Wang > --- > arch/arm64/include/asm/kvm_pgtable.h | 42 +++++++++++++++++----------- > 1 file changed, 25 insertions(+), 17 deletions(-) > > diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h > index c3674c47d48c..b6ce34aa44bb 100644 > --- a/arch/arm64/include/asm/kvm_pgtable.h > +++ b/arch/arm64/include/asm/kvm_pgtable.h > @@ -27,23 +27,29 @@ typedef u64 kvm_pte_t; > > /** > * struct kvm_pgtable_mm_ops - Memory management callbacks. > - * @zalloc_page: Allocate a single zeroed memory page. The @arg parameter > - * can be used by the walker to pass a memcache. The > - * initial refcount of the page is 1. > - * @zalloc_pages_exact: Allocate an exact number of zeroed memory pages. The > - * @size parameter is in bytes, and is rounded-up to the > - * next page boundary. The resulting allocation is > - * physically contiguous. > - * @free_pages_exact: Free an exact number of memory pages previously > - * allocated by zalloc_pages_exact. > - * @get_page: Increment the refcount on a page. > - * @put_page: Decrement the refcount on a page. When the refcount > - * reaches 0 the page is automatically freed. > - * @page_count: Return the refcount of a page. > - * @phys_to_virt: Convert a physical address into a virtual address mapped > - * in the current context. > - * @virt_to_phys: Convert a virtual address mapped in the current context > - * into a physical address. > + * @zalloc_page: Allocate a single zeroed memory page. > + * The @arg parameter can be used by the walker > + * to pass a memcache. The initial refcount of > + * the page is 1. > + * @zalloc_pages_exact: Allocate an exact number of zeroed memory pages. > + * The @size parameter is in bytes, and is rounded > + * up to the next page boundary. The resulting > + * allocation is physically contiguous. > + * @free_pages_exact: Free an exact number of memory pages previously > + * allocated by zalloc_pages_exact. > + * @get_page: Increment the refcount on a page. > + * @put_page: Decrement the refcount on a page. When the > + * refcount reaches 0 the page is automatically > + * freed. > + * @page_count: Return the refcount of a page. > + * @phys_to_virt: Convert a physical address into a virtual address > + * mapped in the current context. > + * @virt_to_phys: Convert a virtual address mapped in the current > + * context into a physical address. > + * @clean_invalidate_dcache: Clean and invalidate the data cache for the > + * specified memory address range. This should probably be explicit about whether this to the PoU/PoC/PoP. Will _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm 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=-15.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 08330C2B9F4 for ; Thu, 17 Jun 2021 12:40:17 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AE815610A5 for ; Thu, 17 Jun 2021 12:40:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AE815610A5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ExU4gKsnJvNflH14rsRWuC03DcgBJ9U2MbCNR6ASsZ0=; b=d9Lnaah7sg3yg2 jn5OQwt5UN6MBjw1ivRLs04s76m8RNN+YbxtYskyPN4cHopDNb4w5z4sc19EfJi8fn/eYKGhVv/mR KnPAYbenSn8v2yq9RaY6LKlxjZ8Vc7onri9PPpPbSr1BrSX2Bw78Wg8noNJ30M+8mD2YicTGBJwnH KokMY90Xt111E2G11SH/GbBX1zD/s20jsIdBQPciVOGRoFM7+hYOgH77T2uZzJ+eLIHZkMCn9fQU3 LKI+DFRJT9t/MQr3U2p+wSHUA8+30U+TrI77LEsAlMPFiEA8in31PBP/AtEAuEn2SOEYtrNqtMm/1 8enQCfbZa8wwbt1+YLLw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ltrIF-00AJbs-0w; Thu, 17 Jun 2021 12:38:47 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ltrIB-00AJb2-Tf for linux-arm-kernel@lists.infradead.org; Thu, 17 Jun 2021 12:38:45 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1B617610A5; Thu, 17 Jun 2021 12:38:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623933523; bh=wxVbBQVNCA7My/C1JNhC1Ucq0HI7253+aqXVm04zWO0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=kF42sZhghGBLxxBAYG3hM4K3omfHY0CMtTE3gJ8Eeqv1iMLRC1IMlfO9QjPowEiEk rPipiEg1rA8EyEU4Ulrf344Ng1nL30JAVdlYZMyamoQNL9oHf4TnVXwE929g0Xe3MP c8FAmzELoejQ1NODQ1M7M2yjvMZm2qKnq5O0i6YlSIOqL9eVB+o41Filg4S08pzzfl w++htxppZ98T2xSvMXpXHu6Pm0S8dx/N2s2OmD+2dNDwYG+ak2BogG4GKGQV4kniag R4mM7tJn8p/nzCbbwEchy5CgyUV8RL72kOg3hcT1DcUTjCe5w+Lq1HurZ3ntJtqWNk KgLEE4wFcJjGA== Date: Thu, 17 Jun 2021 13:38:37 +0100 From: Will Deacon To: Yanan Wang Cc: Marc Zyngier , Quentin Perret , Alexandru Elisei , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Catalin Marinas , James Morse , Julien Thierry , Suzuki K Poulose , Gavin Shan , wanghaibin.wang@huawei.com, zhukeqian1@huawei.com, yuzenghui@huawei.com Subject: Re: [PATCH v7 1/4] KVM: arm64: Introduce two cache maintenance callbacks Message-ID: <20210617123837.GA24457@willie-the-truck> References: <20210617105824.31752-1-wangyanan55@huawei.com> <20210617105824.31752-2-wangyanan55@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210617105824.31752-2-wangyanan55@huawei.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210617_053844_026429_C5BA8A06 X-CRM114-Status: GOOD ( 22.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Jun 17, 2021 at 06:58:21PM +0800, Yanan Wang wrote: > To prepare for performing CMOs for guest stage-2 in the fault handlers > in pgtable.c, here introduce two cache maintenance callbacks in struct > kvm_pgtable_mm_ops. We also adjust the comment alignment for the > existing part but make no real content change at all. > > Signed-off-by: Yanan Wang > --- > arch/arm64/include/asm/kvm_pgtable.h | 42 +++++++++++++++++----------- > 1 file changed, 25 insertions(+), 17 deletions(-) > > diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h > index c3674c47d48c..b6ce34aa44bb 100644 > --- a/arch/arm64/include/asm/kvm_pgtable.h > +++ b/arch/arm64/include/asm/kvm_pgtable.h > @@ -27,23 +27,29 @@ typedef u64 kvm_pte_t; > > /** > * struct kvm_pgtable_mm_ops - Memory management callbacks. > - * @zalloc_page: Allocate a single zeroed memory page. The @arg parameter > - * can be used by the walker to pass a memcache. The > - * initial refcount of the page is 1. > - * @zalloc_pages_exact: Allocate an exact number of zeroed memory pages. The > - * @size parameter is in bytes, and is rounded-up to the > - * next page boundary. The resulting allocation is > - * physically contiguous. > - * @free_pages_exact: Free an exact number of memory pages previously > - * allocated by zalloc_pages_exact. > - * @get_page: Increment the refcount on a page. > - * @put_page: Decrement the refcount on a page. When the refcount > - * reaches 0 the page is automatically freed. > - * @page_count: Return the refcount of a page. > - * @phys_to_virt: Convert a physical address into a virtual address mapped > - * in the current context. > - * @virt_to_phys: Convert a virtual address mapped in the current context > - * into a physical address. > + * @zalloc_page: Allocate a single zeroed memory page. > + * The @arg parameter can be used by the walker > + * to pass a memcache. The initial refcount of > + * the page is 1. > + * @zalloc_pages_exact: Allocate an exact number of zeroed memory pages. > + * The @size parameter is in bytes, and is rounded > + * up to the next page boundary. The resulting > + * allocation is physically contiguous. > + * @free_pages_exact: Free an exact number of memory pages previously > + * allocated by zalloc_pages_exact. > + * @get_page: Increment the refcount on a page. > + * @put_page: Decrement the refcount on a page. When the > + * refcount reaches 0 the page is automatically > + * freed. > + * @page_count: Return the refcount of a page. > + * @phys_to_virt: Convert a physical address into a virtual address > + * mapped in the current context. > + * @virt_to_phys: Convert a virtual address mapped in the current > + * context into a physical address. > + * @clean_invalidate_dcache: Clean and invalidate the data cache for the > + * specified memory address range. This should probably be explicit about whether this to the PoU/PoC/PoP. Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel