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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: f23d3430-588f-45c8-b52f-08d6d56516c2 X-MS-Exchange-CrossTenant-originalarrivaltime: 10 May 2019 16:32:26.8565 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 105b2061-b669-4b31-92ac-24d304d195dc X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: AT5PR8401MB0785 X-OriginatorOrg: hpe.com X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-05-09_02:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905100111 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: > -----Original Message----- > From: Linux-nvdimm On Behalf Of > Larry Bassel > Sent: Thursday, May 09, 2019 11:06 AM > Subject: [PATCH, RFC 1/2] Add config option to enable FS/DAX PMD > sharing >=20 > If enabled, sharing of FS/DAX PMDs will be attempted. >=20 ... > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig ... >=20 > +config MAY_SHARE_FSDAX_PMD > + def_bool y > + Is a config option really necessary - is there any reason to not choose to do this?