diff options
| author | SeongJae Park <sj@kernel.org> | 2025-08-28 10:12:36 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-13 16:55:22 -0700 |
| commit | ec1d5bab0689658b105810aaceff68e7078e4697 (patch) | |
| tree | 8a75abfa37a00964fb58ca4923ffab68166303bf | |
| parent | 51a1ebd3a295c8c1a75331a97d0c7820606dd056 (diff) | |
mm/damon/paddr: support addr_unit for MIGRATE_{HOT,COLD}
Add support of addr_unit for DAMOS_MIGRATE_HOT and DAMOS_MIGRATE_COLD
action handling from the DAMOS operation implementation for the physical
address space.
Link: https://lkml.kernel.org/r/20250828171242.59810-6-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Quanmin Yan <yanquanmin1@huawei.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: ze zuo <zuoze1@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/damon/paddr.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 2cd1c9953983..0a122a8a9f1c 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -256,15 +256,16 @@ static unsigned long damon_pa_deactivate_pages(struct damon_region *r, sz_filter_passed); } -static unsigned long damon_pa_migrate(struct damon_region *r, struct damos *s, +static unsigned long damon_pa_migrate(struct damon_region *r, + unsigned long addr_unit, struct damos *s, unsigned long *sz_filter_passed) { - unsigned long addr, applied; + phys_addr_t addr, applied; LIST_HEAD(folio_list); struct folio *folio; - addr = r->ar.start; - while (addr < r->ar.end) { + addr = damon_pa_phys_addr(r->ar.start, addr_unit); + while (addr < damon_pa_phys_addr(r->ar.end, addr_unit)) { folio = damon_get_folio(PHYS_PFN(addr)); if (damon_pa_invalid_damos_folio(folio, s)) { addr += PAGE_SIZE; @@ -274,7 +275,7 @@ static unsigned long damon_pa_migrate(struct damon_region *r, struct damos *s, if (damos_pa_filter_out(s, folio)) goto put_folio; else - *sz_filter_passed += folio_size(folio); + *sz_filter_passed += folio_size(folio) / addr_unit; if (!folio_isolate_lru(folio)) goto put_folio; @@ -286,7 +287,7 @@ put_folio: applied = damon_migrate_pages(&folio_list, s->target_nid); cond_resched(); s->last_applied = folio; - return applied * PAGE_SIZE; + return damon_pa_core_addr(applied * PAGE_SIZE, addr_unit); } static unsigned long damon_pa_stat(struct damon_region *r, struct damos *s, @@ -332,7 +333,7 @@ static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx, sz_filter_passed); case DAMOS_MIGRATE_HOT: case DAMOS_MIGRATE_COLD: - return damon_pa_migrate(r, scheme, sz_filter_passed); + return damon_pa_migrate(r, aunit, scheme, sz_filter_passed); case DAMOS_STAT: return damon_pa_stat(r, scheme, sz_filter_passed); default: |