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Thu, 22 Oct 2020 17:25:56 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 09MHL4aY073736; Thu, 22 Oct 2020 17:25:55 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3030.oracle.com with ESMTP id 348aj01dr6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 22 Oct 2020 17:25:55 +0000 Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 09MHPrkK003513; Thu, 22 Oct 2020 17:25:54 GMT Received: from [192.168.2.112] (/50.38.35.18) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 22 Oct 2020 10:25:53 -0700 Subject: Re: [PATCH rfc 0/2] mm: cma: make cma_release() non-blocking To: Roman Gushchin Cc: Andrew Morton , Zi Yan , Joonsoo Kim , linux-kernel@vger.kernel.org, linux-mm@kvack.org, kernel-team@fb.com References: <20201016225254.3853109-1-guro@fb.com> <3f455d27-6d99-972f-b77f-b5b473b7614d@oracle.com> <20201022023352.GC300658@carbon.dhcp.thefacebook.com> <91779b4c-378d-66ee-2df0-edb270dd4d04@oracle.com> <20201022171628.GE300658@carbon.dhcp.thefacebook.com> From: Mike Kravetz Message-ID: <7ac469ef-552b-8b7a-a0a1-8bcd07f263b7@oracle.com> Date: Thu, 22 Oct 2020 10:25:52 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <20201022171628.GE300658@carbon.dhcp.thefacebook.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9782 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 phishscore=0 bulkscore=0 malwarescore=0 spamscore=0 mlxlogscore=999 mlxscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2010220112 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9782 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 priorityscore=1501 clxscore=1015 malwarescore=0 mlxscore=0 bulkscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 mlxlogscore=999 impostorscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2010220112 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 10/22/20 10:16 AM, Roman Gushchin wrote: > As now, I want to unblock Zi Yan on his work on 1 GB THPs, so maybe > we can go with introducing cma_release_nowait(), as I suggested in > the other e-mail in this thread? Do you have any objections? No objections from me. And, I like that it could be used by the hugetlb code to make it simpler. -- Mike Kravetz