From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 E1EF8314D0F; Tue, 14 Oct 2025 14:06:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760450794; cv=none; b=oKEUxaqAHseYsKCxHy4ApSMxqyQnrtJYK7WqMAXt0JBmHX1xGafCry+16IqxSUtvUOTtWr+o6RDX8WmGixL4UZA9cWlVo+QM4SlknTKo8HIIxAD4UQDoyYPfITrNNu17xShL+U8i1K/wUulZgLGsd/HGtv90A74AfLdW59Iczv8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760450794; c=relaxed/simple; bh=IT6dBKIlwdnA1ddOUgBgq0XZQweKSrhrXqeilv7m9Us=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=r/MXe82plfYMa0wkG46j2wdWRgoN0+s/pEFclxoANR7itats49npXODelI/J6vxAg16uFAHXeV3moL/KCI7p+QD6gINLTCIM3wkUVMR+D8x7sZd8cmXCHrqKwGPzqlb95Xv+7QFC0fQR5N1r5ToeWn1k1SPSC4KKFRlcUaWBE1w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=lK8uoZSY; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="lK8uoZSY" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=e/V73HB2j0SB/c9ybjOOfbzsInvf4MCE5FolGwdySDg=; b=lK8uoZSYpxxAgKRKV/Hch8ByIS EVXALti/OcHwaKhZzxpYN1cvdWxikT7SKQRge3XVTafJJd3OjMjoxORgfBybUR4FJoAvcx3hdgiQP gXE/pec3m+6ks+KKgnkEsB8xiSabU4tVrQK6swmiAIX0qZP/qgZ+AgOhAk0u2w3nuCVcWnwUx7JZn Op9Cirp81R0019U2e0Q+C7ycK39oog7XyMkE5MiYqpIJzv0LfyrzzUsJXW2LMg+Zm3NtSmP+7z1mM vOjgQ0c2xJlIx7YMUOisNNHfTzhkry+JzUsmXVtZLi4+YuLGpup5hzOhLOuC75093AZdIealQjdUw pJMyaopg==; Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1v8ffM-0000000C1Ts-0nWf; Tue, 14 Oct 2025 14:06:16 +0000 Date: Tue, 14 Oct 2025 15:06:15 +0100 From: Matthew Wilcox To: "zhaoyang.huang" Cc: Andrew Morton , David Hildenbrand , Mel Gorman , Vlastimil Babka , Sumit Semwal , Benjamin Gaignard , Brian Starkey , John Stultz , "T . J . Mercier" , Christian =?iso-8859-1?Q?K=F6nig?= , linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Zhaoyang Huang , steve.kang@unisoc.com Subject: Re: [PATCH 0/2] optimization of dma-buf system_heap allocation Message-ID: References: <20251014083230.1181072-1-zhaoyang.huang@unisoc.com> 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 In-Reply-To: <20251014083230.1181072-1-zhaoyang.huang@unisoc.com> On Tue, Oct 14, 2025 at 04:32:28PM +0800, zhaoyang.huang wrote: > From: Zhaoyang Huang > > This series of patches would like to introduce alloc_pages_bulk_list in > dma-buf which need to call back the API for page allocation. Start with the problem you're trying to solve.