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Sat, 15 Feb 2020 00:50:28 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 01F0lI9Q047814; Sat, 15 Feb 2020 00:50:28 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3020.oracle.com with ESMTP id 2y4k9nnn1t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 15 Feb 2020 00:50:28 +0000 Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 01F0oRcg025724; Sat, 15 Feb 2020 00:50:27 GMT Received: from [192.168.1.206] (/71.63.128.209) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 14 Feb 2020 16:50:27 -0800 Subject: Re: [PATCH v12 2/9] hugetlb_cgroup: add interface for charge/uncharge hugetlb reservations To: Mina Almasry Cc: shuah@kernel.org, rientjes@google.com, shakeelb@google.com, gthelen@google.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, cgroups@vger.kernel.org References: <20200211213128.73302-1-almasrymina@google.com> <20200211213128.73302-2-almasrymina@google.com> From: Mike Kravetz Message-ID: <791880db-bdb0-8d34-ea9a-be6e4996fc0d@oracle.com> Date: Fri, 14 Feb 2020 16:50:25 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200211213128.73302-2-almasrymina@google.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=9531 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 suspectscore=0 spamscore=0 adultscore=0 bulkscore=0 phishscore=0 malwarescore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002150002 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9531 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 mlxscore=0 malwarescore=0 suspectscore=0 mlxlogscore=999 priorityscore=1501 clxscore=1015 impostorscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002150002 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000012, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 2/11/20 1:31 PM, Mina Almasry wrote: > Augments hugetlb_cgroup_charge_cgroup to be able to charge hugetlb > usage or hugetlb reservation counter. > > Adds a new interface to uncharge a hugetlb_cgroup counter via > hugetlb_cgroup_uncharge_counter. > > Integrates the counter with hugetlb_cgroup, via hugetlb_cgroup_init, > hugetlb_cgroup_have_usage, and hugetlb_cgroup_css_offline. > > Signed-off-by: Mina Almasry > Thanks for the suggested changes. It will make the code easier to read and understand. Acked-by: Mike Kravetz --- > > Changes in v12: > - Instead of true/false param for rsvd or non-rsvd calls, now there is: > hugetlb_cgroup_*() call for non-rsvd > hugetlb_cgroup_*_rsvd() call for rsvd > __hugetlb_cgroup_*(, bool) for both. > - Removed review tags as this patch changed quite a bit.