diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2022-08-18 18:40:35 +0530 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-09-26 19:46:11 -0700 |
| commit | c6123a19c9f040e597f55f856c679651c26b31d1 (patch) | |
| tree | 742c59baa1fd6b5de52e856ce864eb3d4cec0e66 /include/linux/memory-tiers.h | |
| parent | 9195244022788935eac0df16132394ffa5613542 (diff) | |
mm/demotion: add hotplug callbacks to handle new numa node onlined
If the new NUMA node onlined doesn't have a abstract distance assigned,
the kernel adds the NUMA node to default memory tier.
[aneesh.kumar@linux.ibm.com: fix kernel error with memory hotplug]
Link: https://lkml.kernel.org/r/20220825092019.379069-1-aneesh.kumar@linux.ibm.com
Link: https://lkml.kernel.org/r/20220818131042.113280-4-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Acked-by: Wei Xu <weixugc@google.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Bharata B Rao <bharata@amd.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Hesham Almatary <hesham.almatary@huawei.com>
Cc: Jagdish Gediya <jvgediya.oss@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Tim Chen <tim.c.chen@intel.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/memory-tiers.h')
| -rw-r--r-- | include/linux/memory-tiers.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/memory-tiers.h b/include/linux/memory-tiers.h index 5f24396da76c..7ae6308b2191 100644 --- a/include/linux/memory-tiers.h +++ b/include/linux/memory-tiers.h @@ -14,6 +14,7 @@ * the same memory tier. */ #define MEMTIER_ADISTANCE_DRAM ((4 * MEMTIER_CHUNK_SIZE) + (MEMTIER_CHUNK_SIZE >> 1)) +#define MEMTIER_HOTPLUG_PRIO 100 #ifdef CONFIG_NUMA #include <linux/types.h> |