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charset="us-ascii" Content-ID: <25B4E9D6247EA344B11B2F94180BC7C9@namprd15.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 26296089-602d-479d-4802-08d72761923f X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Aug 2019 00:33:51.6085 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: dvwfwmS2tUge4jp2UF+IUJ/3rHUsv5XbcowdWWe+RMxi2olVBsZ6wK5Mlc7mF9zq X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR15MB3641 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-08-22_15:,, signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=809 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908230002 X-FB-Internal: deliver Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 22, 2019 at 04:27:09PM -0700, Andrew Morton wrote: > On Mon, 19 Aug 2019 16:00:51 -0700 Roman Gushchin wrote: >=20 > > v3: > > 1) rearranged patches [2/3] and [3/3] to make [1/2] and [2/2] suitabl= e > > for stable backporting > >=20 > > v2: > > 1) fixed !CONFIG_MEMCG_KMEM build by moving memcg_flush_percpu_vmstat= s() > > and memcg_flush_percpu_vmevents() out of CONFIG_MEMCG_KMEM > > 2) merged add-comments-to-slab-enums-definition patch in > >=20 > > Thanks! > >=20 > > Roman Gushchin (3): > > mm: memcontrol: flush percpu vmstats before releasing memcg > > mm: memcontrol: flush percpu vmevents before releasing memcg > > mm: memcontrol: flush percpu slab vmstats on kmem offlining > >=20 >=20 > Can you please explain why the first two patches were cc:stable but not > the third? >=20 >=20 Because [1] and [2] are fixing commit 42a300353577 ("mm: memcontrol: fix recursive statistics correctness & scalabilty"), which has been merged into= 5.2. And [3] fixes commit fb2f2b0adb98 ("mm: memcg/slab: reparent memcg kmem_cac= hes on cgroup removal"), which is in not yet released 5.3, so stable backport i= sn't required. Thanks!