Change Details

vm_map_reserve may return an error response after clipping the first or last map entry in the region to be reserved. This creates a pair of matching entries that should have been "simplified" back into one, or never created. This change defers the clipping of those entries until the reserve operation is bound to be successful.

vm_map_protect may return an error response after clipping the first or last map entry in the region to be reserved. This creates a pair of matching entries that should have been "simplified" back into one, or never created. This change defers the clipping of those entries until the reserve operation is bound to be successful.

vm_map_reserveprotect may return an error response after clipping the first or last map entry in the region to be reserved. This creates a pair of matching entries that should have been "simplified" back into one, or never created. This change defers the clipping of those entries until the reserve operation is bound to be successful.