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 AA2FD34BA3F for ; Sat, 4 Oct 2025 09:19:48 +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=1759569588; cv=none; b=BDDdVybXEzXbTfrc3AuSfAC7AFXbwgfahA3IS+mrJ9TGIbXQgOJ09FcXIILCTAKnN46x6wi3mHqpfkqmO+1d56YeQxo4oFU6Qd5p7rg/dkPcaIlr9QmpmJjmm0G7oeqgC71x3e80Rs8c1OEXp6XV8gI0CPgN41LMBHbKUyVy3EQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759569588; c=relaxed/simple; bh=KY1sX8OSJOh9C1F2nogtM66uWvTnblV5Te6fP8LKJFo=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=Gkg0eU98skcAlzS72qyBMGSlfKjPoxhOZmtABkNtiP36tQE2vxUPfLhft1rMV3J2uFC7p9WMQD+FtUNfznu6yswnrYlLfA5eVMBtODsY/P8hvNNUn9Yosy0FUVnW7HUNsB0+g5UjQEFS9Vsh7oatGH5lZ5W6AXNeUGs37QSy1gY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HL4174Ye; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HL4174Ye" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7ADC9C4CEF1; Sat, 4 Oct 2025 09:19:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759569588; bh=KY1sX8OSJOh9C1F2nogtM66uWvTnblV5Te6fP8LKJFo=; h=Date:From:To:Cc:Subject:From; b=HL4174YeEnScY90+2h9VljzlObU0qFm2rUj+ciEnAEqj1Bpm6LTXugsyjjnWH4hUP ABdaSUkNiBn7I+XplDfuqNl9MHViaqzZQQeV17Uaxw9CBtGsVHvR/Q69DmMBKcKR0Y ZOCWt0C1yp1vmg0vFRaUkMS9BETe51wzpngZ+kjn02UuQe3J29J4ZVTjyitab7yo97 CqatEoXMjJ49mSoGlNYjedIWgDviqNN4nwRkatvc6oHHUTleXx8k8kXrgTmXHHzL5P uRjivTQmhNNRSb2tgPcWHR1RtcVx5ZKhfJ/0eGpn/bbOItFE3EXwM8XhIzxDcq1tNY 1DBtf8jNZ3+tg== Date: Sat, 4 Oct 2025 11:19:42 +0200 From: Mike Rapoport To: Linus Torvalds Cc: Andrew Morton , Mike Rapoport , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [GIT PULL] mm/mm_init: simplify deferred initialization of struct pages Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Linus, The following changes since commit b320789d6883cc00ac78ce83bccbfe7ed58afcf0: Linux 6.17-rc4 (2025-08-31 15:33:07 -0700) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock tags/memblock-v6.18-rc1 for you to fetch changes up to e68f150bc11d0a05cbe984a4e5c0f72a95cae07d: memblock: drop for_each_free_mem_pfn_range_in_zone_from() (2025-09-14 08:49:03 +0300) ---------------------------------------------------------------- mm/mm_init: simplify deferred initialization of struct pages Refactor and simplify deferred initialization of the memory map. Beside the negative diffstat it gives 3ms (55ms vs 58ms) reduction in the initialization of deferred pages on single node system with 64GiB of RAM. ---------------------------------------------------------------- Mike Rapoport (Microsoft) (4): mm/mm_init: use deferred_init_memmap_chunk() in deferred_grow_zone() mm/mm_init: deferred_init_memmap: use a job per zone mm/mm_init: drop deferred_init_maxorder() memblock: drop for_each_free_mem_pfn_range_in_zone_from() .clang-format | 1 - include/linux/memblock.h | 22 ------ mm/memblock.c | 64 --------------- mm/mm_init.c | 197 ++++++++++++++++------------------------------- 4 files changed, 65 insertions(+), 219 deletions(-) -- Sincerely yours, Mike.