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=-15.8 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,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 5BCA5C433E0 for ; Sat, 6 Mar 2021 00:32:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 293FB65059 for ; Sat, 6 Mar 2021 00:32:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229642AbhCFAcP (ORCPT ); Fri, 5 Mar 2021 19:32:15 -0500 Received: from mail.kernel.org ([198.145.29.99]:37374 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229631AbhCFAcE (ORCPT ); Fri, 5 Mar 2021 19:32:04 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id CB89C65059; Sat, 6 Mar 2021 00:32:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1614990724; bh=w/2TcGs+NYGpL43ybEORZDUuMpt2owZhjcKXbbcXQAM=; h=Date:From:To:Subject:From; b=K95IQ6z0yO9YpbKwjdzWS3qOTWbXW0uXjv1ptpUZS/VqHCtXcfCwk7L8Lu/47GqTI LIcxgLytWWmD1h5j7P5PMd6qI9tHeyhvGpnFqBE8yTGnZn+6KdN/q9/7j3dZNxvedZ 8FGLISjdWUwOnMNKOL61oKAdibw2JdN/+81ez2+0= Date: Fri, 05 Mar 2021 16:32:03 -0800 From: akpm@linux-foundation.org To: anshuman.khandual@arm.com, benh@kernel.crashing.org, christophe.leroy@csgroup.eu, hch@lst.de, mike.kravetz@oracle.com, mm-commits@vger.kernel.org, mpe@ellerman.id.au, paulus@samba.org Subject: + mm-generalize-hugetlb_page_size_variable.patch added to -mm tree Message-ID: <20210306003203.5ibiisNtJ%akpm@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm: generalize HUGETLB_PAGE_SIZE_VARIABLE has been added to the -mm tree. Its filename is mm-generalize-hugetlb_page_size_variable.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-generalize-hugetlb_page_size_variable.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-generalize-hugetlb_page_size_variable.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Anshuman Khandual Subject: mm: generalize HUGETLB_PAGE_SIZE_VARIABLE HUGETLB_PAGE_SIZE_VARIABLE need not be defined for each individual platform subscribing it. Instead just make it generic. Link: https://lkml.kernel.org/r/1614914928-22039-1-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual Suggested-by: Christoph Hellwig Reviewed-by: Christoph Hellwig Acked-by: Michael Ellerman [powerpc] Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Christophe Leroy Cc: Mike Kravetz Signed-off-by: Andrew Morton --- arch/ia64/Kconfig | 6 +----- arch/powerpc/Kconfig | 6 +----- mm/Kconfig | 7 +++++++ 3 files changed, 9 insertions(+), 10 deletions(-) --- a/arch/ia64/Kconfig~mm-generalize-hugetlb_page_size_variable +++ a/arch/ia64/Kconfig @@ -32,6 +32,7 @@ config IA64 select TTY select HAVE_ARCH_TRACEHOOK select HAVE_VIRT_CPU_ACCOUNTING + select HUGETLB_PAGE_SIZE_VARIABLE if HUGETLB_PAGE select VIRT_TO_BUS select GENERIC_IRQ_PROBE select GENERIC_PENDING_IRQ if SMP @@ -82,11 +83,6 @@ config STACKTRACE_SUPPORT config GENERIC_LOCKBREAK def_bool n -config HUGETLB_PAGE_SIZE_VARIABLE - bool - depends on HUGETLB_PAGE - default y - config GENERIC_CALIBRATE_DELAY bool default y --- a/arch/powerpc/Kconfig~mm-generalize-hugetlb_page_size_variable +++ a/arch/powerpc/Kconfig @@ -231,6 +231,7 @@ config PPC select HAVE_HARDLOCKUP_DETECTOR_PERF if PERF_EVENTS && HAVE_PERF_EVENTS_NMI && !HAVE_HARDLOCKUP_DETECTOR_ARCH select HAVE_PERF_REGS select HAVE_PERF_USER_STACK_DUMP + select HUGETLB_PAGE_SIZE_VARIABLE if PPC_BOOK3S_64 && HUGETLB_PAGE select MMU_GATHER_RCU_TABLE_FREE select MMU_GATHER_PAGE_SIZE select HAVE_REGS_AND_STACK_ACCESS_API @@ -415,11 +416,6 @@ config HIGHMEM source "kernel/Kconfig.hz" -config HUGETLB_PAGE_SIZE_VARIABLE - bool - depends on HUGETLB_PAGE && PPC_BOOK3S_64 - default y - config MATH_EMULATION bool "Math emulation" depends on 4xx || PPC_8xx || PPC_MPC832x || BOOKE --- a/mm/Kconfig~mm-generalize-hugetlb_page_size_variable +++ a/mm/Kconfig @@ -274,6 +274,13 @@ config ARCH_ENABLE_HUGEPAGE_MIGRATION config ARCH_ENABLE_THP_MIGRATION bool +config HUGETLB_PAGE_SIZE_VARIABLE + def_bool n + help + Allows the pageblock_order value to be dynamic instead of just standard + HUGETLB_PAGE_ORDER when there are multiple HugeTLB page sizes available + on a platform. + config CONTIG_ALLOC def_bool (MEMORY_ISOLATION && COMPACTION) || CMA _ Patches currently in -mm which might be from anshuman.khandual@arm.com are mm-generalize-hugetlb_page_size_variable.patch