On Wed, 1 May 2013, Cody P Schafer wrote: > All updaters of pgdat size (spanned_pages, start_pfn, and > present_pages) currently also hold lock_memory_hotplug() (in addition > to pgdat_resize_lock()). > > Document this and make holding of that lock a requirement on the update > side for now, but keep the pgdat_resize_lock() around for readers that > can't lock a mutex. > > Signed-off-by: Cody P Schafer <[email protected]>
Nack, these fields are initialized at boot without lock_memory_hotplug(), so you're statement is wrong, and all you need is pgdat_resize_lock(). -- 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/

