From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AAB2AC433E6 for ; Tue, 26 Jan 2021 07:46:09 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 28DA22251D for ; Tue, 26 Jan 2021 07:46:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 28DA22251D Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 9B50E8D00A9; Tue, 26 Jan 2021 02:46:08 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 965C38D0076; Tue, 26 Jan 2021 02:46:08 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8A2308D00A9; Tue, 26 Jan 2021 02:46:08 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0202.hostedemail.com [216.40.44.202]) by kanga.kvack.org (Postfix) with ESMTP id 74D3C8D0076 for ; Tue, 26 Jan 2021 02:46:08 -0500 (EST) Received: from smtpin23.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 31CD41EE6 for ; Tue, 26 Jan 2021 07:46:08 +0000 (UTC) X-FDA: 77747142816.23.club96_2315a842758c Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin23.hostedemail.com (Postfix) with ESMTP id 12B7B37604 for ; Tue, 26 Jan 2021 07:46:08 +0000 (UTC) X-HE-Tag: club96_2315a842758c X-Filterd-Recvd-Size: 2353 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf43.hostedemail.com (Postfix) with ESMTP for ; Tue, 26 Jan 2021 07:46:07 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1611647166; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=sclFdaQ03I3Wj1BfIgcRXa++uN5iqi+uLmb3/BSy0Xo=; b=rhXj1XLrDj0dRNgd4ypLcq9/hv8eubJvpBYMLez9brkfq38WCbiT8FXYp6+GEauwYl/Dv6 ejfDLQgsH+lH4KxopIdumCDTifQ5pSpkQYntAax/V2xWky70ZnSYzQJOvLMcijz+uSkzKC ZZp4sRmBlMkoisaR+4UwxIVwS8UUMjg= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 5633BAE1F; Tue, 26 Jan 2021 07:46:06 +0000 (UTC) Date: Tue, 26 Jan 2021 08:46:05 +0100 From: Michal Hocko To: Minchan Kim Cc: Andrew Morton , linux-mm , LKML , hyesoo.yu@samsung.com, david@redhat.com, surenb@google.com, pullip.cho@samsung.com, joaodias@google.com, hridya@google.com, john.stultz@linaro.org, sumit.semwal@linaro.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, hch@infradead.org, robh+dt@kernel.org, linaro-mm-sig@lists.linaro.org Subject: Re: [PATCH v4 4/4] dma-buf: heaps: add chunk heap to dmabuf heaps Message-ID: <20210126074605.GB827@dhcp22.suse.cz> References: <20210121175502.274391-1-minchan@kernel.org> <20210121175502.274391-5-minchan@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210121175502.274391-5-minchan@kernel.org> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu 21-01-21 09:55:02, Minchan Kim wrote: > From: Hyesoo Yu > > This patch supports chunk heap that allocates the buffers that > arranged into a list a fixed size chunks taken from CMA. > > The chunk heap driver is bound directly to a reserved_memory > node by following Rob Herring's suggestion in [1]. > > [1] https://lore.kernel.org/lkml/20191025225009.50305-2-john.stultz@linaro.org/T/#m3dc63acd33fea269a584f43bb799a876f0b2b45d Who is using this allocator in the kernel? -- Michal Hocko SUSE Labs