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_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 C4D21C2BB1D for ; Wed, 8 Apr 2020 12:01:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 99E7C2083E for ; Wed, 8 Apr 2020 12:01:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="E5EHOU/1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728263AbgDHMBI (ORCPT ); Wed, 8 Apr 2020 08:01:08 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:51110 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728213AbgDHMBF (ORCPT ); Wed, 8 Apr 2020 08:01:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=bBHM+hDSwYwXpplQFIpTmcGbADjtUKFmfQeNb5Nusv4=; b=E5EHOU/1jxrKojb9kP9R2f5evY oIqTcxhz8xO+bOobIjQ6F6fNp/1R0fnyH0/uWWrfTEXI1JZEsuWf6lyce4RxGfy6Cp331AKFIvBu1 MWKICj+gyYwlIHoum0YIEypHVw3JRlUnux+N0UTIZBqmaTGkfIutAFKEk4SXlfkSMKYmDHJTL8pjC J7kAwOgmjiJI3ZRt8JlPH3mlOENjkEtBSzYvuI9uEEgBEoX24dBy+rYrhcM7waaJuZx+cuO6T5hBu K3LF/PQtYXVj0Gus4oKVrJLmCTOoEMoSBrF2CaQJjU2HDeCK6EUunuvJB26aQSJmbS98++jqbKlBW sTtynD1w==; Received: from [2001:4bb8:180:5765:65b6:f11e:f109:b151] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jM9Nt-0005Yi-9h; Wed, 08 Apr 2020 12:00:45 +0000 From: Christoph Hellwig To: Andrew Morton , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , x86@kernel.org, David Airlie , Daniel Vetter , Laura Abbott , Sumit Semwal , Sakari Ailus , Minchan Kim , Nitin Gupta Cc: Robin Murphy , Christophe Leroy , Peter Zijlstra , linuxppc-dev@lists.ozlabs.org, linux-hyperv@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 21/28] mm: remove the prot argument to __vmalloc_node Date: Wed, 8 Apr 2020 13:59:19 +0200 Message-Id: <20200408115926.1467567-22-hch@lst.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200408115926.1467567-1-hch@lst.de> References: <20200408115926.1467567-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org This is always PAGE_KERNEL now. Signed-off-by: Christoph Hellwig --- mm/vmalloc.c | 35 ++++++++++++++--------------------- 1 file changed, 14 insertions(+), 21 deletions(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 466a449b3a15..de7952959e82 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2401,8 +2401,7 @@ void *vmap(struct page **pages, unsigned int count, EXPORT_SYMBOL(vmap); static void *__vmalloc_node(unsigned long size, unsigned long align, - gfp_t gfp_mask, pgprot_t prot, - int node, const void *caller); + gfp_t gfp_mask, int node, const void *caller); static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask, pgprot_t prot, int node) { @@ -2420,7 +2419,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask, /* Please note that the recursion is strictly bounded. */ if (array_size > PAGE_SIZE) { pages = __vmalloc_node(array_size, 1, nested_gfp|highmem_mask, - PAGE_KERNEL, node, area->caller); + node, area->caller); } else { pages = kmalloc_node(array_size, nested_gfp, node); } @@ -2539,13 +2538,11 @@ EXPORT_SYMBOL_GPL(__vmalloc_node_range); * @size: allocation size * @align: desired alignment * @gfp_mask: flags for the page level allocator - * @prot: protection mask for the allocated pages * @node: node to use for allocation or NUMA_NO_NODE * @caller: caller's return address * - * Allocate enough pages to cover @size from the page level - * allocator with @gfp_mask flags. Map them into contiguous - * kernel virtual space, using a pagetable protection of @prot. + * Allocate enough pages to cover @size from the page level allocator with + * @gfp_mask flags. Map them into contiguous kernel virtual space. * * Reclaim modifiers in @gfp_mask - __GFP_NORETRY, __GFP_RETRY_MAYFAIL * and __GFP_NOFAIL are not supported @@ -2556,16 +2553,15 @@ EXPORT_SYMBOL_GPL(__vmalloc_node_range); * Return: pointer to the allocated memory or %NULL on error */ static void *__vmalloc_node(unsigned long size, unsigned long align, - gfp_t gfp_mask, pgprot_t prot, - int node, const void *caller) + gfp_t gfp_mask, int node, const void *caller) { return __vmalloc_node_range(size, align, VMALLOC_START, VMALLOC_END, - gfp_mask, prot, 0, node, caller); + gfp_mask, PAGE_KERNEL, 0, node, caller); } void *__vmalloc(unsigned long size, gfp_t gfp_mask) { - return __vmalloc_node(size, 1, gfp_mask, PAGE_KERNEL, NUMA_NO_NODE, + return __vmalloc_node(size, 1, gfp_mask, NUMA_NO_NODE, __builtin_return_address(0)); } EXPORT_SYMBOL(__vmalloc); @@ -2573,15 +2569,15 @@ EXPORT_SYMBOL(__vmalloc); static inline void *__vmalloc_node_flags(unsigned long size, int node, gfp_t flags) { - return __vmalloc_node(size, 1, flags, PAGE_KERNEL, - node, __builtin_return_address(0)); + return __vmalloc_node(size, 1, flags, node, + __builtin_return_address(0)); } void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags, void *caller) { - return __vmalloc_node(size, 1, flags, PAGE_KERNEL, node, caller); + return __vmalloc_node(size, 1, flags, node, caller); } /** @@ -2656,8 +2652,8 @@ EXPORT_SYMBOL(vmalloc_user); */ void *vmalloc_node(unsigned long size, int node) { - return __vmalloc_node(size, 1, GFP_KERNEL, PAGE_KERNEL, - node, __builtin_return_address(0)); + return __vmalloc_node(size, 1, GFP_KERNEL, node, + __builtin_return_address(0)); } EXPORT_SYMBOL(vmalloc_node); @@ -2670,9 +2666,6 @@ EXPORT_SYMBOL(vmalloc_node); * allocator and map them into contiguous kernel virtual space. * The memory allocated is set to zero. * - * For tight control over page level allocator and protection flags - * use __vmalloc_node() instead. - * * Return: pointer to the allocated memory or %NULL on error */ void *vzalloc_node(unsigned long size, int node) @@ -2745,8 +2738,8 @@ void *vmalloc_exec(unsigned long size) */ void *vmalloc_32(unsigned long size) { - return __vmalloc_node(size, 1, GFP_VMALLOC32, PAGE_KERNEL, - NUMA_NO_NODE, __builtin_return_address(0)); + return __vmalloc_node(size, 1, GFP_VMALLOC32, NUMA_NO_NODE, + __builtin_return_address(0)); } EXPORT_SYMBOL(vmalloc_32); -- 2.25.1