> Looks good. Some suggestions on improving the wording. Thanks! I'll fix them.
Bye. > > On Fri, 12 Oct 2007, Yasunori Goto wrote: > > > +MEMORY_GOING_ONLINE > > + This is notified before memory online. If some structures must be > > prepared > > + for new memory, it should be done at this event's callback. > > + The new onlining memory can't be used yet. > > Generated before new memory becomes available in order to be able to > prepare subsystems to handle memory. The page allocator is still unable > to allocate from the new memory. > > > +MEMORY_CANCEL_ONLINE > > + If memory online fails, this event is notified for rollback of setting at > > + MEMORY_GOING_ONLINE. > > + (Currently, this event is notified only the case which a callback routine > > + of MEMORY_GOING_ONLINE fails). > > Generated if MEMORY_GOING_ONLINE fails. > > > +MEMORY_ONLINE > > + This event is called when memory online is completed. The page allocator > > uses > > + new memory area before this notification. In other words, callback > > routine > > + use new memory area via page allocator. > > + The failures of callbacks of this notification will be ignored. > > Generated when memory has succesfully brought online. The callback may > allocate from the new memory. > > > +MEMORY_GOING_OFFLINE > > + This is notified on halfway of memory offline. The offlining pages are > > + isolated. In other words, the page allocater doesn't allocate new pages > > from > > + offlining memory area at this time. If callback routine freed some pages, > > + they are not used by the page allocator. > > + This is good place for shrinking cache. (If possible, it is desirable to > > + migrate to other area.) > > Generated to begin the process of offlining memory. Allocations are no > longer possible from the memory but some of the memory to be offlined > is still in use. The callback can be used to free memory known to a > subsystem from the indicated node. > > > +MEMORY_CANCEL_OFFLINE > > + If memory offline fails, this event is notified for rollback against > > + MEMORY_GOING_OFFLINE. The page allocator will use target memory area > > after > > + this callback again. > > Generated if MEMORY_GOING_OFFLINE fails. Memory is available again from > the node that we attempted to offline. > > > + +MEMORY_OFFLINE > > Generated after offlining memory is complete. -- Yasunori Goto - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
