diff options
Diffstat (limited to 'arch/x86/kernel/e820_64.c')
-rw-r--r-- | arch/x86/kernel/e820_64.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c index 0afee2ca0bf..47952b1690b 100644 --- a/arch/x86/kernel/e820_64.c +++ b/arch/x86/kernel/e820_64.c @@ -96,75 +96,6 @@ char *__init machine_specific_memory_setup(void) return who; } -static int __init parse_memopt(char *p) -{ - if (!p) - return -EINVAL; - end_user_pfn = memparse(p, &p); - end_user_pfn >>= PAGE_SHIFT; - return 0; -} -early_param("mem", parse_memopt); - -static int userdef __initdata; - -static int __init parse_memmap_opt(char *p) -{ - char *oldp; - unsigned long long start_at, mem_size; - - if (!strcmp(p, "exactmap")) { -#ifdef CONFIG_CRASH_DUMP - /* - * If we are doing a crash dump, we still need to know - * the real mem size before original memory map is - * reset. - */ - e820_register_active_regions(0, 0, -1UL); - saved_max_pfn = e820_end_of_ram(); - remove_all_active_ranges(); -#endif - e820.nr_map = 0; - userdef = 1; - return 0; - } - - oldp = p; - mem_size = memparse(p, &p); - if (p == oldp) - return -EINVAL; - - userdef = 1; - if (*p == '@') { - start_at = memparse(p+1, &p); - add_memory_region(start_at, mem_size, E820_RAM); - } else if (*p == '#') { - start_at = memparse(p+1, &p); - add_memory_region(start_at, mem_size, E820_ACPI); - } else if (*p == '$') { - start_at = memparse(p+1, &p); - add_memory_region(start_at, mem_size, E820_RESERVED); - } else { - end_user_pfn = (mem_size >> PAGE_SHIFT); - } - return *p == '\0' ? 0 : -EINVAL; -} -early_param("memmap", parse_memmap_opt); - -void __init finish_e820_parsing(void) -{ - if (userdef) { - int nr = e820.nr_map; - - if (sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &nr) < 0) - early_panic("Invalid user supplied memory map"); - e820.nr_map = nr; - - printk(KERN_INFO "user-defined physical RAM map:\n"); - e820_print_map("user"); - } -} - int __init arch_get_ram_range(int slot, u64 *addr, u64 *size) { int i; |