On 2/25/19 9:30 PM, Roman Gushchin wrote: > alloc_vmap_area() is allocating memory for the vmap_area, and > performing the actual lookup of the vm area and vmap_area > initialization. > > This prevents us from using a pre-allocated memory for the map_area > structure, which can be used in some cases to minimize the number > of required memory allocations. Hmm, but that doesn't happen here or in the later patch, right? The only caller of init_vmap_area() is alloc_vmap_area(). What am I missing? > Let's keep the memory allocation part in alloc_vmap_area() and > separate everything else into init_vmap_area(). > > Signed-off-by: Roman Gushchin <guro@xxxxxx> > Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx> > Reviewed-by: Matthew Wilcox <willy@xxxxxxxxxxxxx>
