__GFP_BITS_MASK
gfp_allowed_mask = __GFP_BITS_MASK;
return root->xa_flags & (__GFP_BITS_MASK & ~GFP_ZONEMASK);
gfp = ~__GFP_BITS_MASK;
#define GFP_BOOT_MASK (__GFP_BITS_MASK & ~(__GFP_RECLAIM|__GFP_IO|__GFP_FS))
#define GFP_SLAB_BUG_MASK (__GFP_DMA32|__GFP_HIGHMEM|~__GFP_BITS_MASK)