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| author | Gregory Price <gourry@gourry.net> | 2026-07-12 11:45:01 -0400 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-08-06 18:57:00 -0700 |
| commit | 496a4cd6585cabddf56b98ac01f4d4f122ecfa7b (patch) | |
| tree | a475cb90d381dc5d8b2900c03addf736ee92727f | |
| parent | c17ba40c37e890987dce846cf6e1ec6a2bf79ea3 (diff) | |
| download | linux-496a4cd6585cabddf56b98ac01f4d4f122ecfa7b.tar.gz linux-496a4cd6585cabddf56b98ac01f4d4f122ecfa7b.zip | |
dax/kmem: resolve default online type at probe time
Resolve the default online type in kmem at probe time explicitly instead
of implicitly inheriting the system default by calling
add_memory_driver_managed().
No behavioral change at this point (still system default).
Link: https://lore.kernel.org/20260712154505.3564379-8-gourry@gourry.net
Signed-off-by: Gregory Price <gourry@gourry.net>
Cc: Alison Schofield <alison.schofield@intel.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: David Hildenbrand (Arm) <david@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Pankaj Gupta <pankaj.gupta@amd.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | drivers/dax/kmem.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/dax/kmem.c b/drivers/dax/kmem.c index 592171ec10f4..38ed5c4e9c83 100644 --- a/drivers/dax/kmem.c +++ b/drivers/dax/kmem.c @@ -73,6 +73,7 @@ static int dev_dax_kmem_probe(struct dev_dax *dev_dax) mhp_t mhp_flags; int numa_node; int adist = MEMTIER_DEFAULT_DAX_ADISTANCE; + int online_type = mhp_get_default_online_type(); /* * Ensure good NUMA information for the persistent memory. @@ -172,8 +173,9 @@ static int dev_dax_kmem_probe(struct dev_dax *dev_dax) * Ensure that future kexec'd kernels will not treat * this as RAM automatically. */ - rc = add_memory_driver_managed(data->mgid, range.start, - range_len(&range), kmem_name, mhp_flags); + rc = __add_memory_driver_managed(data->mgid, range.start, + range_len(&range), kmem_name, mhp_flags, + online_type); if (rc) { dev_warn(dev, "mapping%d: %#llx-%#llx memory add failed\n", |