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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?DCcdrd7ABTvH+kubyxzLt3OcKdstUIf9Xcmt9Zq8paQVAJTN+eL6OibLoaA1?= =?us-ascii?Q?ykQ6K5FipNnMXN7scXq1hDDYvuSlpcu1Lu68wY4yrDVLGc4cS2Dd+U3gZy80?= =?us-ascii?Q?D1cISYrcUZAlU473F1eHxJvwltupzSx+ZwINpYoesmJnmWph4sNlUA+Qcc5G?= =?us-ascii?Q?yjSrld83O5WCUCsldiNcqGa1QVQuZuJ7haVomWPFQjJB/l8Xw3Vl0M7rEMfr?= =?us-ascii?Q?JEpajKg9dxCF+ITrAtzLnPvz52fBr3CbzLhkmIjbw7d8jDvM/dKNG4y+xbnf?= =?us-ascii?Q?f8ReJ7Rt1w4NOzMV/JBmRtcExc+d7FKXZtq5WMi2+pc2w9kGYCqB1Uq44UhD?= =?us-ascii?Q?tsaXNrdcMrfZFWSEEkV9WPlOxdYj0x5tQx1AjuwhxRBw87SxhqKkHLVfGxrv?= =?us-ascii?Q?W+Krr9O6mcJGt88km0l2Zr6zQ8AblphGgs6gWz67nV1P5f+YsB1Fjig10hm5?= =?us-ascii?Q?VflmO75wgcOKqdVWG1rlIiVsBqadLqDprQj5VF6ivb74ZTz9UtM1/rvOmoFi?= =?us-ascii?Q?zhrsN92Vm36TtBgVK4CI17BFnl+N4KxWV4oSWJdCyAxZlN6AKm9dKo2+El5E?= =?us-ascii?Q?HIOwEthctOOVC45k7Z7/0iVVKP1CINZDbd6VWzZByUTBalqFGZDFKoxBTgXA?= =?us-ascii?Q?bCDdlLnIoSFeYv4q4MZ/hJOl5Fn6nkaPQIJMHLnP9domFS1mXR9xd2ABvpL4?= =?us-ascii?Q?zokN+otctmyE70xByLg8p5OR+qRjDHBhd18Vv9Lj2IQ/XFf8bPIOMKEwhvvI?= =?us-ascii?Q?ONu4ofQU4tSJ2CAo1G0oTw1bxH3REdjgCbHt9NLC/QzZiy4WflYS41avnc//?= =?us-ascii?Q?1cWnUQL438k1WAMjB9FcmHqeH9GC3WeACxKGI4oEJ8aJUsHY7en8UKP1NFeb?= =?us-ascii?Q?pkBIXjxfkgOiTAHQVsXjRu5FbMWM3iKN1jsISQRrDHlVlzhrxWXcOflVcdBT?= =?us-ascii?Q?w4LkIUBaULsvYI62DJlZlslY/8MAxsoNgeCeyslYun1xHHNZh84Jo7gBiDSr?= =?us-ascii?Q?2+g7n2M2UrpSiCCP7cuoa36afivVpuYSVKD7bTOSeWDeYTMr3R+0C8YCXFfV?= =?us-ascii?Q?aHK8SwGB4Ns9gkdnXZ3b0VjsC4T8rTQiekCFiFUVlZd7VI8t80WgNuqRqUp8?= =?us-ascii?Q?7JuAhLp2AIjv9AtNxL8a333aWj9oab9H/LTBtxBVEatIYYaTXek1W6ktcIRI?= =?us-ascii?Q?tXbtVfJwri0lOGxtd52i3JG5xi8BWRt52CRnYVdz51Ap99tvpoebAYD88MoO?= =?us-ascii?Q?zKM1YEWprvo2RyFniSNHhlUl4TyJr3TZP062CCGSA0x7c+uHvUGrVCOcQeMh?= =?us-ascii?Q?Digt+pNPwrosILz0F2ZO4hSmzWeQF+3o70rrPR9cPleUmUQylXObTilICgFi?= =?us-ascii?Q?Ls98mL9TIhDM/mrdi2hgim58OIo/380DUAxA9ujwYTWGBlAT2Oqx9TqbJRsp?= =?us-ascii?Q?WGzRGYqYpLwWelqdgCpLHMCCmimZzIppr3ezlOclC1tn2yYlzn4uA++xPghp?= =?us-ascii?Q?ARiJwncfZdDU+ljtL5hzlbNsAk1yBYL8uszWF5frhNxeYygcPXVrpVz5/Wm/?= =?us-ascii?Q?eU+Vfg0POpRf9CsQKDbma+Y/Rvthj5fKLOWphIWA?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5abf7219-6659-4302-d2ee-08dba28557a3 X-MS-Exchange-CrossTenant-AuthSource: DS7PR12MB5744.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Aug 2023 20:29:38.9714 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: JGIwxxOFHZs47UtOOJNdQA6aVKlHQVvx+Tnk47MlYbu4uHRDlNZgF9kCdi66YbaF X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB6913 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=_MailMate_AD35D7C6-9C31-4B9D-9888-08BCD2281518_= Content-Type: text/plain On 21 Aug 2023, at 14:33, Johannes Weiner wrote: > Save a pfn_to_page() lookup when the pfn is right there already. > > Signed-off-by: Johannes Weiner > --- > mm/page_alloc.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Just notice that it is already done in: https://lkml.kernel.org/r/20230811115945.3423894-3-shikemeng@huaweicloud.com -- Best Regards, Yan, Zi --=_MailMate_AD35D7C6-9C31-4B9D-9888-08BCD2281518_= Content-Description: OpenPGP digital signature Content-Disposition: attachment; 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