reserve_early_overlap_ok 792 arch/x86/kernel/e820.c reserve_early_overlap_ok(lower_start, lower_end, name); reserve_early_overlap_ok 794 arch/x86/kernel/e820.c reserve_early_overlap_ok(upper_start, upper_end, name); reserve_early_overlap_ok 55 arch/x86/kernel/head.c reserve_early_overlap_ok(lowmem, 0x100000, "BIOS reserved"); reserve_early_overlap_ok 108 include/asm-x86/e820.h extern void reserve_early_overlap_ok(u64 start, u64 end, char *name);