From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 76564181D17 for ; Wed, 10 Apr 2024 21:00:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712782838; cv=none; b=h0O7iCcxB3/6f43wXsJ3K5gs1TYMx92LAXQofQ5GOyNQfd9WJ1B1NQxWabpBvixsh45xE5trbtijrU828MAAbQvwnT1e+zuuNf+KEQ68wpiuTX1unOXh3q+Y9iL4ANqmWsgDr4d+tYHSALit0mMncKBEEGHqRR8Cdrgh+OC83Ak= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712782838; c=relaxed/simple; bh=jdExepFCZnenhj/5IwXIZAbsyZKyTy5kBAI7FoZxcOU=; h=Date:To:From:Subject:Message-Id; b=nvJ86svMEl52YTfMoiTDI9JEvnUWFj5WvOi8iMJnQMl86Ek0vGFxqDnE6mMWPZznKfKvNSMum5TgqjEncg3jCH+p7Z262cfMNShWX904vFO3bqzNZhsi56smZtgJe55Oz6tN0CBX8MAv17pgnT0/q/s0v5pmLvcyMhCpbzaf21U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=1ufxANoM; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="1ufxANoM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF26FC433C7; Wed, 10 Apr 2024 21:00:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1712782838; bh=jdExepFCZnenhj/5IwXIZAbsyZKyTy5kBAI7FoZxcOU=; h=Date:To:From:Subject:From; b=1ufxANoMo1NyIWJLq4TjhJJy4/krwwMZ3R4DMJ8wDfYa7g3Ytjv8GUB9oxAqocUMp pA836iW6+ku5xVGR1meq6cWo/+WjH5LXTTQ4Z/S6AR/IgHhFGcw4u+QZ+H+KYr7MUW ej99aA5P2lNeKKA9k7zspwZqhwwLUW5tkiM+U3Pg= Date: Wed, 10 Apr 2024 14:00:37 -0700 To: mm-commits@vger.kernel.org,ziy@nvidia.com,ysato@users.sourceforge.jp,willy@infradead.org,shy828301@gmail.com,ryan.roberts@arm.com,richardycc@google.com,peterx@redhat.com,naoya.horiguchi@nec.com,muchun.song@linux.dev,linmiaohe@huawei.com,jcmvbkbc@gmail.com,hughd@google.com,glaubitz@physik.fu-berlin.de,fengwei.yin@intel.com,dalias@libc.org,corbet@lwn.net,chris@zankel.net,david@redhat.com,akpm@linux-foundation.org From: Andrew Morton Subject: + documentation-admin-guide-cgroup-v1-memoryrst-dont-reference-page_mapcount.patch added to mm-unstable branch Message-Id: <20240410210037.DF26FC433C7@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: Documentation/admin-guide/cgroup-v1/memory.rst: don't reference page_mapcount() has been added to the -mm mm-unstable branch. Its filename is documentation-admin-guide-cgroup-v1-memoryrst-dont-reference-page_mapcount.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/documentation-admin-guide-cgroup-v1-memoryrst-dont-reference-page_mapcount.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: David Hildenbrand Subject: Documentation/admin-guide/cgroup-v1/memory.rst: don't reference page_mapcount() Date: Tue, 9 Apr 2024 21:23:01 +0200 Let's stop talking about page_mapcount(). Link: https://lkml.kernel.org/r/20240409192301.907377-19-david@redhat.com Signed-off-by: David Hildenbrand Cc: Chris Zankel Cc: Hugh Dickins Cc: John Paul Adrian Glaubitz Cc: Jonathan Corbet Cc: Matthew Wilcox (Oracle) Cc: Max Filippov Cc: Miaohe Lin Cc: Muchun Song Cc: Naoya Horiguchi Cc: Peter Xu Cc: Richard Chang Cc: Rich Felker Cc: Ryan Roberts Cc: Yang Shi Cc: Yin Fengwei Cc: Yoshinori Sato Cc: Zi Yan Signed-off-by: Andrew Morton --- Documentation/admin-guide/cgroup-v1/memory.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/Documentation/admin-guide/cgroup-v1/memory.rst~documentation-admin-guide-cgroup-v1-memoryrst-dont-reference-page_mapcount +++ a/Documentation/admin-guide/cgroup-v1/memory.rst @@ -802,8 +802,8 @@ a page or a swap can be moved only when | | anonymous pages, file pages (and swaps) in the range mmapped by the task | | | will be moved even if the task hasn't done page fault, i.e. they might | | | not be the task's "RSS", but other task's "RSS" that maps the same file. | -| | And mapcount of the page is ignored (the page can be moved even if | -| | page_mapcount(page) > 1). You must enable Swap Extension (see 2.4) to | +| | The mapcount of the page is ignored (the page can be moved independent | +| | of the mapcount). You must enable Swap Extension (see 2.4) to | | | enable move of swap charges. | +---+--------------------------------------------------------------------------+ _ Patches currently in -mm which might be from david@redhat.com are mm-madvise-make-madv_populate_readwrite-handle-vm_fault_retry-properly.patch mm-madvise-dont-perform-madvise-vma-walk-for-madv_populate_readwrite.patch mm-userfaultfd-dont-place-zeropages-when-zeropages-are-disallowed.patch s390-mm-re-enable-the-shared-zeropage-for-pv-and-skeys-kvm-guests.patch mm-convert-folio_estimated_sharers-to-folio_likely_mapped_shared.patch mm-convert-folio_estimated_sharers-to-folio_likely_mapped_shared-fix.patch selftests-memfd_secret-add-vmsplice-test.patch mm-merge-folio_is_secretmem-and-folio_fast_pin_allowed-into-gup_fast_folio_allowed.patch mm-optimize-config_per_vma_lock-member-placement-in-vm_area_struct.patch mm-remove-prot-parameter-from-move_pte.patch mm-gup-consistently-name-gup-fast-functions.patch mm-treewide-rename-config_have_fast_gup-to-config_have_gup_fast.patch mm-use-gup-fast-instead-fast-gup-in-remaining-comments.patch drivers-virt-acrn-fix-pfnmap-pte-checks-in-acrn_vm_ram_map.patch mm-pass-vma-instead-of-mm-to-follow_pte.patch mm-follow_pte-improvements.patch mm-allow-for-detecting-underflows-with-page_mapcount-again.patch mm-rmap-always-inline-anon-file-rmap-duplication-of-a-single-pte.patch mm-rmap-add-fast-path-for-small-folios-when-adding-removing-duplicating.patch mm-track-mapcount-of-large-folios-in-single-value.patch mm-improve-folio_likely_mapped_shared-using-the-mapcount-of-large-folios.patch mm-make-folio_mapcount-return-0-for-small-typed-folios.patch mm-memory-use-folio_mapcount-in-zap_present_folio_ptes.patch mm-huge_memory-use-folio_mapcount-in-zap_huge_pmd-sanity-check.patch mm-memory-failure-use-folio_mapcount-in-hwpoison_user_mappings.patch mm-page_alloc-use-folio_mapped-in-__alloc_contig_migrate_range.patch mm-migrate-use-folio_likely_mapped_shared-in-add_page_for_migration.patch sh-mm-cache-use-folio_mapped-in-copy_from_user_page.patch mm-filemap-use-folio_mapcount-in-filemap_unaccount_folio.patch mm-migrate_device-use-folio_mapcount-in-migrate_vma_check_page.patch trace-events-page_ref-trace-the-raw-page-mapcount-value.patch xtensa-mm-convert-check_tlb_entry-to-sanity-check-folios.patch mm-debug-print-only-page-mapcount-excluding-folio-entire-mapcount-in-__dump_folio.patch documentation-admin-guide-cgroup-v1-memoryrst-dont-reference-page_mapcount.patch