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 494335F558 for ; Tue, 23 Jan 2024 00:41:39 +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=1705970500; cv=none; b=WI64CrVvOdAV9Jood4AQxgpIsX9Us3Cwlp9/AI3FSZ4WT6N5D2YP9WIB34vRP+EZ38MlizskcRX2SvpgkNWF7lk0AawvGuyUoW76WQuZUdAPaqpW1c4whI3XOk1sawcrelAy5UZxUCvWIV5YdzjZvw1RMYWXqYBque6mS/56Nb4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705970500; c=relaxed/simple; bh=xtsbZxOE1rcj97CHavija3sx91jdpLGGDhz8bkLlJ5E=; h=Date:To:From:Subject:Message-Id; b=LkysmxYPKtcEOQOk7tuLX0qyULZyj+uUqqPyN20urCEj36rzP3ZdF08NjVn7+Moo7XzZV+9k9nh/P7XTAQfw2rbzvioH1/eF972BtKQRUXsFm6utSyvLQU6VwQDjOZSgzsKC3D6057uFBaV7yS6wTz68DPwBok6QZvwXah9Ui1Y= 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=SKKnGG5Z; 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="SKKnGG5Z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 40354C43390; Tue, 23 Jan 2024 00:41:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1705970499; bh=xtsbZxOE1rcj97CHavija3sx91jdpLGGDhz8bkLlJ5E=; h=Date:To:From:Subject:From; b=SKKnGG5ZHMzyphwgFOCvLHG6J7Hleuq0XeS6p25LMhlti26JMye3A1PABUTd0TCke EoOW3j2eTLQ354wCVxfql64fYnSY5uhKr6EL9igW3NmswpUPd9pSTYiy0N+eGSOOuC FUWUDhDjHWvy/BiiLcu8ZVmynTZlX5cwd0nAk1l4= Date: Mon, 22 Jan 2024 16:41:36 -0800 To: mm-commits@vger.kernel.org,willy@infradead.org,will@kernel.org,svens@linux.ibm.com,ryan.roberts@arm.com,paul.walmsley@sifive.com,palmer@dabbelt.com,npiggin@gmail.com,naveen.n.rao@linux.ibm.com,mpe@ellerman.id.au,linux@armlinux.org.uk,hca@linux.ibm.com,gor@linux.ibm.com,gerald.schaefer@linux.ibm.com,dinguyen@kernel.org,davem@davemloft.net,christophe.leroy@csgroup.eu,catalin.marinas@arm.com,borntraeger@linux.ibm.com,aou@eecs.berkeley.edu,aneesh.kumar@kernel.org,alexghiti@rivosinc.com,agordeev@linux.ibm.com,david@redhat.com,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-memory-pass-pte-to-copy_present_pte.patch added to mm-unstable branch Message-Id: <20240123004139.40354C43390@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm/memory: pass PTE to copy_present_pte() has been added to the -mm mm-unstable branch. Its filename is mm-memory-pass-pte-to-copy_present_pte.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-memory-pass-pte-to-copy_present_pte.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: mm/memory: pass PTE to copy_present_pte() Date: Mon, 22 Jan 2024 20:41:57 +0100 We already read it, let's just forward it. This patch is based on work by Ryan Roberts. Link: https://lkml.kernel.org/r/20240122194200.381241-9-david@redhat.com Signed-off-by: David Hildenbrand Cc: Albert Ou Cc: Alexander Gordeev Cc: Alexandre Ghiti Cc: "Aneesh Kumar K.V (IBM)" Cc: Catalin Marinas Cc: Christian Borntraeger Cc: Christophe Leroy Cc: David S. Miller Cc: Dinh Nguyen Cc: Gerald Schaefer Cc: Heiko Carstens Cc: Matthew Wilcox (Oracle) Cc: Michael Ellerman Cc: "Naveen N. Rao" Cc: Nicholas Piggin Cc: Palmer Dabbelt Cc: Paul Walmsley Cc: Russell King Cc: Ryan Roberts Cc: Sven Schnelle Cc: Vasily Gorbik Cc: Will Deacon Signed-off-by: Andrew Morton --- mm/memory.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) --- a/mm/memory.c~mm-memory-pass-pte-to-copy_present_pte +++ a/mm/memory.c @@ -959,10 +959,9 @@ static inline void __copy_present_pte(st */ static inline int copy_present_pte(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma, - pte_t *dst_pte, pte_t *src_pte, unsigned long addr, int *rss, - struct folio **prealloc) + pte_t *dst_pte, pte_t *src_pte, pte_t pte, unsigned long addr, + int *rss, struct folio **prealloc) { - pte_t pte = ptep_get(src_pte); struct page *page; struct folio *folio; @@ -1104,7 +1103,7 @@ again: } /* copy_present_pte() will clear `*prealloc' if consumed */ ret = copy_present_pte(dst_vma, src_vma, dst_pte, src_pte, - addr, rss, &prealloc); + ptent, addr, rss, &prealloc); /* * If we need a pre-allocated page for this pte, drop the * locks, allocate, and try again. _ Patches currently in -mm which might be from david@redhat.com are uprobes-use-pagesize-aligned-virtual-address-when-replacing-pages.patch arm-pgtable-define-pfn_pte_shift-on-arm-and-arm64.patch nios2-pgtable-define-pfn_pte_shift.patch powerpc-pgtable-define-pfn_pte_shift.patch risc-pgtable-define-pfn_pte_shift.patch s390-pgtable-define-pfn_pte_shift.patch sparc-pgtable-define-pfn_pte_shift.patch mm-memory-factor-out-copying-the-actual-pte-in-copy_present_pte.patch mm-memory-pass-pte-to-copy_present_pte.patch mm-memory-optimize-fork-with-pte-mapped-thp.patch mm-memory-ignore-dirty-accessed-soft-dirty-bits-in-folio_pte_batch.patch mm-memory-ignore-writable-bit-in-folio_pte_batch.patch