diff options
| author | Zi Yan <ziy@nvidia.com> | 2025-06-17 05:11:11 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-07-14 02:38:17 +0300 |
| commit | 1bc3587a88d291a37dab12d6c14aa7da53304251 (patch) | |
| tree | 534148913d6f55510570fd50d58f2301861e03e1 /include/linux | |
| parent | e904bce2d9d43e0f370e238457a13847d161570b (diff) | |
| download | linux-1bc3587a88d291a37dab12d6c14aa7da53304251.tar.xz | |
mm/page_alloc: add support for initializing pageblock as isolated
MIGRATE_ISOLATE is a standalone bit, so a pageblock cannot be initialized
to just MIGRATE_ISOLATE. Add init_pageblock_migratetype() to enable
initialize a pageblock with a migratetype and isolated.
Link: https://lkml.kernel.org/r/20250617021115.2331563-4-ziy@nvidia.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Brendan Jackman <jackmanb@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kirill A. Shuemov <kirill.shutemov@linux.intel.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Richard Chang <richardycc@google.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/memory_hotplug.h | 3 | ||||
| -rw-r--r-- | include/linux/page-isolation.h | 3 |
2 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index eaac5ae8c05c..23f038a16231 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -314,7 +314,8 @@ extern int add_memory_driver_managed(int nid, u64 start, u64 size, mhp_t mhp_flags); extern void move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn, unsigned long nr_pages, - struct vmem_altmap *altmap, int migratetype); + struct vmem_altmap *altmap, int migratetype, + bool isolate_pageblock); extern void remove_pfn_range_from_zone(struct zone *zone, unsigned long start_pfn, unsigned long nr_pages); diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h index fc021d3f95ca..14c6a5f691c2 100644 --- a/include/linux/page-isolation.h +++ b/include/linux/page-isolation.h @@ -41,6 +41,9 @@ static inline void set_pageblock_isolate(struct page *page) #define MEMORY_OFFLINE 0x1 #define REPORT_FAILURE 0x2 +void __meminit init_pageblock_migratetype(struct page *page, + enum migratetype migratetype, + bool isolate); void set_pageblock_migratetype(struct page *page, enum migratetype migratetype); bool move_freepages_block_isolate(struct zone *zone, struct page *page, |