67 #define EARLY_ENTRIES(vstart, vend, shift, add) \  argument
68 	((((vend) - 1) >> (shift)) - ((vstart) >> (shift)) + 1 + add)
70 #define EARLY_PGDS(vstart, vend, add) (EARLY_ENTRIES(vstart, vend, PGDIR_SHIFT, add))  argument
73 #define EARLY_PUDS(vstart, vend, add) (EARLY_ENTRIES(vstart, vend, PUD_SHIFT, add))  argument
75 #define EARLY_PUDS(vstart, vend, add) (0)  argument
79 #define EARLY_PMDS(vstart, vend, add) (EARLY_ENTRIES(vstart, vend, SWAPPER_TABLE_SHIFT, add))  argument
81 #define EARLY_PMDS(vstart, vend, add) (0)  argument
84 #define EARLY_PAGES(vstart, vend, add) ( 1 			/* PGDIR page */				\  argument
85 			+ EARLY_PGDS((vstart), (vend), add) 	/* each PGDIR needs a next level page table */	\
86 			+ EARLY_PUDS((vstart), (vend), add)	/* each PUD needs a next level page table */	\
87 			+ EARLY_PMDS((vstart), (vend), add))	/* each PMD needs a next level page table */