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=-20.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 A2BFEC63777 for ; Thu, 3 Dec 2020 09:25:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 454542085B for ; Thu, 3 Dec 2020 09:25:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388510AbgLCJZR (ORCPT ); Thu, 3 Dec 2020 04:25:17 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:39610 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729128AbgLCJZP (ORCPT ); Thu, 3 Dec 2020 04:25:15 -0500 Date: Thu, 03 Dec 2020 09:24:32 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1606987473; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5rj0ICCexn5lymhSHOv8+TdXBMy37sde9ag8AwpvBek=; b=WlwaCCSvzoYzOw+iyo0RgjtTG+2fagsiswmSOq3SHxPg31pSetZdqu25MNzr2ZGUz/tfFv B2CfxK3x9XorAGBSRMkNhZMyT6Eydw9wpulkJbUYVCxCUUyygnD2P2tziSonb7gTO1ImR+ KvGtxd547XoW/XMmQqyMVDbo5gC/M9FSwUv37eV2PP7xn5y7zsMH/Pzqchwewt+MPPzVma xFWZNKlitQojkUlAw/IrjRfM47J3I0wr+bC52JqTcz8sr32rC9UjvYIzIDg89hF0GMO/7S +kHVf+PQyGkv8f/nNYv9niRvym+nGu5qZKmUkO2r3LP8fTbgNiXILI8k330qZg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1606987473; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5rj0ICCexn5lymhSHOv8+TdXBMy37sde9ag8AwpvBek=; b=stB5rIMqaFm5DdZbzgBVWIfQwCX2v1LQ24h70MpRjvUflYl516GJ3HZCu/9qy3iBQr5zY5 mkJgF696ud5NR7CA== From: "tip-bot2 for Peter Zijlstra" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: perf/core] mm: Introduce pXX_leaf_size() Cc: "Peter Zijlstra (Intel)" , "Matthew Wilcox (Oracle)" , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20201126121121.102580109@infradead.org> References: <20201126121121.102580109@infradead.org> MIME-Version: 1.0 Message-ID: <160698747295.3364.6132255453696965707.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the perf/core branch of tip: Commit-ID: 560dabbdf68bb15f9e241af8f828b1c8c38d6c6f Gitweb: https://git.kernel.org/tip/560dabbdf68bb15f9e241af8f828b1c8c38d6c6f Author: Peter Zijlstra AuthorDate: Fri, 13 Nov 2020 11:45:36 +01:00 Committer: Peter Zijlstra CommitterDate: Thu, 03 Dec 2020 10:14:50 +01:00 mm: Introduce pXX_leaf_size() A number of architectures have non-pagetable aligned huge/large pages. For such architectures a leaf can actually be part of a larger entry. Provide generic helpers to determine the size of a page-table leaf. Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Matthew Wilcox (Oracle) Link: https://lkml.kernel.org/r/20201126121121.102580109@infradead.org --- include/linux/pgtable.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index ed9266c..fefbbdb 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -1536,4 +1536,20 @@ typedef unsigned int pgtbl_mod_mask; #define pmd_leaf(x) 0 #endif +#ifndef pgd_leaf_size +#define pgd_leaf_size(x) (1ULL << PGDIR_SHIFT) +#endif +#ifndef p4d_leaf_size +#define p4d_leaf_size(x) P4D_SIZE +#endif +#ifndef pud_leaf_size +#define pud_leaf_size(x) PUD_SIZE +#endif +#ifndef pmd_leaf_size +#define pmd_leaf_size(x) PMD_SIZE +#endif +#ifndef pte_leaf_size +#define pte_leaf_size(x) PAGE_SIZE +#endif + #endif /* _LINUX_PGTABLE_H */