GFP_MOVABLE_MASK 310 include/linux/gfp.h VM_WARN_ON((gfp_flags & GFP_MOVABLE_MASK) == GFP_MOVABLE_MASK); GFP_MOVABLE_MASK 318 include/linux/gfp.h return (gfp_flags & GFP_MOVABLE_MASK) >> GFP_MOVABLE_SHIFT;