search for: d23ff7c5c96b

...emory(int nid, u64 start, u64 size); extern void __remove_memory(int nid, u64 start, u64 size); +extern int offline_and_remove_memory(int nid, u64 start, u64 size); #else static inline bool is_mem_section_removable(unsigned long pfn, diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index d23ff7c5c96b..caf3c93f5f7c 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1742,4 +1742,39 @@ int remove_memory(int nid, u64 start, u64 size) return rc; } EXPORT_SYMBOL_GPL(remove_memory); + +/* + * Try to offline and remove a memory block. Might take a long time to + * finish in case memory...

...solated or not. */ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn, - bool skip_hwpoisoned_pages); + int flags); struct page *alloc_migrate_target(struct page *page, unsigned long private); diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index f08eb429b8f3..d23ff7c5c96b 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1127,7 +1127,8 @@ static bool is_pageblock_removable_nolock(unsigned long pfn) if (!zone_spans_pfn(zone, pfn)) return false; - return !has_unmovable_pages(zone, page, 0, MIGRATE_MOVABLE, SKIP_HWPOISON); + return !has_unmovable_pa...

Long time no RFC! I finally had time to get the next version of the Linux driver side of virtio-mem into shape, incorporating ideas and feedback from previous discussions. This RFC is based on the series currently on the mm list: - [PATCH 0/3] Remove __online_page_set_limits() - [PATCH v1 0/3] mm/memory_hotplug: Export generic_online_page() - [PATCH v4 0/8] mm/memory_hotplug: Shrink zones before