memory_block structure elements 'hw' and 'phys_callback' are not getting used. This was originally added with commit 3947be1969a9 ("[PATCH] memory hotplug: sysfs and add/remove functions") but never seem to have been used. Just drop them now. Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Cc: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx> Cc: Dan Williams <dan.j.williams@xxxxxxxxx> Cc: linux-kernel@xxxxxxxxxxxxxxx Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> --- include/linux/memory.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/include/linux/memory.h b/include/linux/memory.h index 0ebb105eb261..4e95a9eb8061 100644 --- a/include/linux/memory.h +++ b/include/linux/memory.h @@ -29,8 +29,6 @@ struct memory_block { int section_count; /* serialized by mem_sysfs_mutex */ int online_type; /* for passing data to online routine */ int phys_device; /* to which fru does this belong? */ - void *hw; /* optional pointer to fw/hw data */ - int (*phys_callback)(struct memory_block *); struct device dev; int nid; /* NID for this memory block */ }; -- 2.20.1