TOTAL_FIX_BTMAPS 120 arch/x86/include/asm/fixmap.h (__end_of_permanent_fixed_addresses + TOTAL_FIX_BTMAPS - 1)) & TOTAL_FIX_BTMAPS 122 arch/x86/include/asm/fixmap.h ? __end_of_permanent_fixed_addresses + TOTAL_FIX_BTMAPS - TOTAL_FIX_BTMAPS 123 arch/x86/include/asm/fixmap.h (__end_of_permanent_fixed_addresses & (TOTAL_FIX_BTMAPS - 1)) TOTAL_FIX_BTMAPS 125 arch/x86/include/asm/fixmap.h FIX_BTMAP_BEGIN = FIX_BTMAP_END + TOTAL_FIX_BTMAPS - 1,