Thread (3 messages) 3 messages, 2 authors, 2017-02-27

Re: [RFC PATCH] mm, hotplug: get rid of auto_online_blocks

From: Reza Arbab <hidden>
Date: 2017-02-27 23:33:01
Also in: linux-acpi, linux-mm, linux-s390, lkml

On Mon, Feb 27, 2017 at 10:28:17AM +0100, Michal Hocko wrote: 
quoted hunk ↗ jump to hunk
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 134a2f69c21a..a72f7f64ee26 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -100,8 +100,6 @@ extern void __online_page_free(struct page *page);
extern int try_online_node(int nid);

-extern bool memhp_auto_online;
-
#ifdef CONFIG_MEMORY_HOTREMOVE
extern bool is_pageblock_removable_nolock(struct page *page);
extern int arch_remove_memory(u64 start, u64 size);
@@ -272,7 +270,7 @@ static inline void remove_memory(int nid, u64 start, u64 size) {}
extern int walk_memory_range(unsigned long start_pfn, unsigned long end_pfn,
		void *arg, int (*func)(struct memory_block *, void *));
-extern int add_memory(int nid, u64 start, u64 size);
+extern int add_memory(int nid, u64 start, u64 size, bool online);
extern int add_memory_resource(int nid, struct resource *resource, bool online);
extern int zone_for_memory(int nid, u64 start, u64 size, int zone_default,
		bool for_device);
It would be nice if instead of a 'bool online' argument, add_memory() 
and add_memory_resource() took an 'int online_type', ala online_pages().

That way we could specify offline, online, online+movable, etc.

-- 
Reza Arbab

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