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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BCA42ECAAD8 for ; Fri, 16 Sep 2022 20:07:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230429AbiIPUHp (ORCPT ); Fri, 16 Sep 2022 16:07:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35624 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230259AbiIPUHR (ORCPT ); Fri, 16 Sep 2022 16:07:17 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3AA9B9FAA for ; Fri, 16 Sep 2022 13:07:08 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 14E01B82930 for ; Fri, 16 Sep 2022 20:07:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AFFCEC433D6; Fri, 16 Sep 2022 20:07:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1663358825; bh=gp9Ye8b+wCnV2Uja/iB8O0dkRhU/5khBfr35xsjC1U0=; h=Date:To:From:Subject:From; b=BtsEjZkb4BevxbR854WFtxvrugPD6cPvyhZRWJH2kVSsl1nwQLChe1R28FwKLz+Ge d9Ucd8OJv63EQvEDxfNIxncYZVKZ9kioaDAh1qc3OYwf1eqVTnQdJ1AzJGjVtItYfZ Pb2FEGbcO6Ycsl46BZmx+qDTXshWaaDtRZMfDtRw= Date: Fri, 16 Sep 2022 13:07:04 -0700 To: mm-commits@vger.kernel.org, willy@infradead.org, osalvador@suse.de, david@redhat.com, anshuman.khandual@arm.com, linmiaohe@huawei.com, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-page_alloc-fix-obsolete-comment-in-deferred_pfn_valid.patch added to mm-unstable branch Message-Id: <20220916200705.AFFCEC433D6@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm/page_alloc: fix obsolete comment in deferred_pfn_valid() has been added to the -mm mm-unstable branch. Its filename is mm-page_alloc-fix-obsolete-comment-in-deferred_pfn_valid.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_alloc-fix-obsolete-comment-in-deferred_pfn_valid.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm 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 via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Miaohe Lin Subject: mm/page_alloc: fix obsolete comment in deferred_pfn_valid() Date: Fri, 16 Sep 2022 15:22:57 +0800 There are no architectures that can have holes in the memory map within a pageblock since commit 859a85ddf90e ("mm: remove pfn_valid_within() and CONFIG_HOLES_IN_ZONE"). Update the corresponding comment. Link: https://lkml.kernel.org/r/20220916072257.9639-17-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Reviewed-by: David Hildenbrand Reviewed-by: Anshuman Khandual Reviewed-by: Oscar Salvador Cc: Matthew Wilcox Signed-off-by: Andrew Morton --- mm/page_alloc.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) --- a/mm/page_alloc.c~mm-page_alloc-fix-obsolete-comment-in-deferred_pfn_valid +++ a/mm/page_alloc.c @@ -1929,11 +1929,7 @@ static inline void __init pgdat_init_rep /* * Returns true if page needs to be initialized or freed to buddy allocator. * - * First we check if pfn is valid on architectures where it is possible to have - * holes within pageblock_nr_pages. On systems where it is not possible, this - * function is optimized out. - * - * Then, we check if a current large page is valid by only checking the validity + * We check if a current large page is valid by only checking the validity * of the head pfn. */ static inline bool __init deferred_pfn_valid(unsigned long pfn) _ Patches currently in -mm which might be from linmiaohe@huawei.com are mm-hwpoison-use-clearpagehwpoison-in-memory_failure.patch mm-hwpoison-use-__pagemovable-to-detect-non-lru-movable-pages.patch mm-hwpoison-use-num_poisoned_pages_sub-to-decrease-num_poisoned_pages.patch mm-hwpoison-avoid-unneeded-page_mapped_in_vma-overhead-in-collect_procs_anon.patch mm-hwpoison-check-pagetable-explicitly-in-hwpoison_user_mappings.patch mm-hwpoison-cleanup-some-obsolete-comments.patch writeback-remove-unused-macro-dirty_full_scope.patch mm-page_alloc-ensure-kswapd-doesnt-accidentally-go-to-sleep.patch mm-page_alloc-make-zone_pcp_update-static.patch mm-remove-obsolete-macro-nr_pcp_order_mask-and-nr_pcp_order_width.patch mm-page_alloc-remove-obsolete-comment-in-zone_statistics.patch mm-page_alloc-add-__init-annotations-to-init_mem_debugging_and_hardening.patch mm-page_alloc-fix-freeing-static-percpu-memory.patch mm-remove-obsolete-pgdat_is_empty.patch mm-page_alloc-add-missing-is_migrate_isolate-check-in-set_page_guard.patch mm-page_alloc-use-local-variable-zone_idx-directly.patch mm-memory_hotplug-remove-obsolete-generic_free_nodedata.patch mm-page_alloc-make-boot_nodestats-static.patch mm-page_alloc-use-helper-macro-sz_1km.patch mm-page_alloc-init-local-variable-buddy_pfn.patch mm-page_alloc-use-costly_order-in-warn_on_once_gfp.patch mm-page_alloc-remove-obsolete-gfpflags_normal_context.patch mm-page_alloc-fix-obsolete-comment-in-deferred_pfn_valid.patch