RST_SIZE
__snp_fixup_e820_tables(pa + RST_SIZE);
rst = early_memremap(pa, RST_SIZE);
early_memunmap(rst, RST_SIZE);
rst = memremap(rst_pa, RST_SIZE, MEMREMAP_WB);
rmp_base, rmp_base + RMPTABLE_CPU_BOOKKEEPING_SZ + RST_SIZE);