From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id AE1A429B781 for ; Tue, 28 Apr 2026 04:14:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777349698; cv=none; b=szqPybQrHss2Sl5ZLfytQfnal6QCXCYoAqqm70HMyPqKrgpRg9T7SSxWE87qvKfeY1YjV1wxRIyHReZNzn2X31UIGajYCiJHSagqYo8ibM4TdBzIyt1UT6zfI3ITIZvv2Ne0CdMV0qF/l12CcTI26sVeEQfEjX93icIsF+uRz1I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777349698; c=relaxed/simple; bh=BH42mJ/E+CpYMtpyTCO/zmkPXMLKWODEQUI0JcxIdvA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=dLNfu/bFIwe3SRTsRUclkutpvvXGszofldUAWxeaa7BKxrKdCVjm1c6DohdfKzkT4Q5KcKeDjj/MbVxXSDRHxr5hQVOphl9Xor4KA7PoXE+FFJHqno9vdRcSNtuYFu4xQ66Q0pycvLduFj7oT+07i5QauAmcUvkhIfySvcT5ARY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=tFdJ1tlI; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="tFdJ1tlI" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 3FB6A1655; Mon, 27 Apr 2026 21:14:43 -0700 (PDT) Received: from [10.164.148.44] (MacBook-Pro.blr.arm.com [10.164.148.44]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D99A13F763; Mon, 27 Apr 2026 21:14:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1777349688; bh=BH42mJ/E+CpYMtpyTCO/zmkPXMLKWODEQUI0JcxIdvA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=tFdJ1tlIf3LWIhKGhokgfq4Gat6MNCY05DT/Bs9YVeTEKtwY2/bCNo7vXFp6QTOBF 5KGg0Ivd4wqodleKXy9afHInJktGdlMqU+ny/5G3OGcWJCGRP7dJh3F/l17OLPNur1 apJCdv16ShVX1zzgZz3eJm6jDUCMN8AGBHZp4Psg= Message-ID: <97bf11a0-0e0a-423f-81f0-91fc1ed9ad24@arm.com> Date: Tue, 28 Apr 2026 09:44:34 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 0/8] mm/vmalloc: Speed up ioremap, vmalloc and vmap with contiguous memory To: Barry Song Cc: linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, will@kernel.org, akpm@linux-foundation.org, urezki@gmail.com, linux-kernel@vger.kernel.org, anshuman.khandual@arm.com, ryan.roberts@arm.com, ajd@linux.ibm.com, rppt@kernel.org, david@kernel.org, Xueyuan.chen21@gmail.com, jiangwenxiaomi@gmail.com References: <20260408025115.27368-1-baohua@kernel.org> Content-Language: en-US From: Dev Jain In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 28/04/26 8:46 am, Barry Song wrote: > On Mon, Apr 27, 2026 at 11:05 PM Dev Jain wrote: >> >> >> >> On 08/04/26 8:21 am, Barry Song (Xiaomi) wrote: > [...] >>> >>> Barry Song (Xiaomi) (8): >>> arm64/hugetlb: Extend batching of multiple CONT_PTE in a single PTE >>> setup >>> arm64/vmalloc: Allow arch_vmap_pte_range_map_size to batch multiple >>> CONT_PTE >>> mm/vmalloc: Extend vmap_small_pages_range_noflush() to support larger >>> page_shift sizes >>> mm/vmalloc: Eliminate page table zigzag for huge vmalloc mappings >>> mm/vmalloc: map contiguous pages in batches for vmap() if possible >>> mm/vmalloc: align vm_area so vmap() can batch mappings >>> mm/vmalloc: Coalesce same page_shift mappings in vmap to avoid pgtable >>> zigzag >>> mm/vmalloc: Stop scanning for compound pages after encountering small >>> pages in vmap >>> >>> arch/arm64/include/asm/vmalloc.h | 6 +- >>> arch/arm64/mm/hugetlbpage.c | 10 ++ >>> mm/vmalloc.c | 178 +++++++++++++++++++++++++------ >>> 3 files changed, 161 insertions(+), 33 deletions(-) >>> >> >> Hi Barry, have you got the chance to work on v2? > > Hi Dev, thanks for the ping. > > Yes, I’m getting Wen Jiang (cc’d) to send v2 within the next few days. > The patchset is basically ready, but still under testing. Thanks!