--- zzzz-none-000/linux-3.10.107/arch/h8300/mm/init.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/arch/h8300/mm/init.c 2021-02-04 17:41:59.000000000 +0000 @@ -3,7 +3,7 @@ * * Copyright (C) 1998 D. Jeff Dionne , * Kenneth Albanowski , - * Copyright (C) 2000 Lineo, Inc. (www.lineo.com) + * Copyright (C) 2000 Lineo, Inc. (www.lineo.com) * * Based on: * @@ -38,8 +38,6 @@ #include #include -#undef DEBUG - /* * BAD_PAGE is the page that is used for page faults when linux * is out-of-memory. Older versions of linux just did a @@ -54,16 +52,9 @@ * data and COW. */ static unsigned long empty_bad_page_table; - static unsigned long empty_bad_page; - unsigned long empty_zero_page; -extern unsigned long rom_length; - -extern unsigned long memory_start; -extern unsigned long memory_end; - /* * paging_init() continues the virtual memory environment setup which * was begun by the code in arch/head.S. @@ -76,15 +67,11 @@ * Make sure start_mem is page aligned, otherwise bootmem and * page_alloc get different views og the world. */ -#ifdef DEBUG unsigned long start_mem = PAGE_ALIGN(memory_start); -#endif unsigned long end_mem = memory_end & PAGE_MASK; -#ifdef DEBUG - printk ("start_mem is %#lx\nvirtual_end is %#lx\n", - start_mem, end_mem); -#endif + pr_debug("start_mem is %#lx\nvirtual_end is %#lx\n", + start_mem, end_mem); /* * Initialize the bad page table and bad page to point @@ -98,78 +85,44 @@ /* * Set up SFC/DFC registers (user data space). */ - set_fs (USER_DS); + set_fs(USER_DS); -#ifdef DEBUG - printk ("before free_area_init\n"); + pr_debug("before free_area_init\n"); - printk ("free_area_init -> start_mem is %#lx\nvirtual_end is %#lx\n", - start_mem, end_mem); -#endif + pr_debug("free_area_init -> start_mem is %#lx\nvirtual_end is %#lx\n", + start_mem, end_mem); { unsigned long zones_size[MAX_NR_ZONES] = {0, }; - zones_size[ZONE_DMA] = 0 >> PAGE_SHIFT; - zones_size[ZONE_NORMAL] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT; -#ifdef CONFIG_HIGHMEM - zones_size[ZONE_HIGHMEM] = 0; -#endif + zones_size[ZONE_NORMAL] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT; free_area_init(zones_size); } } void __init mem_init(void) { - int codek = 0, datak = 0, initk = 0; - /* DAVIDM look at setup memory map generically with reserved area */ - unsigned long tmp; - extern unsigned long _ramend, _ramstart; - unsigned long len = &_ramend - &_ramstart; - unsigned long start_mem = memory_start; /* DAVIDM - these must start at end of kernel */ - unsigned long end_mem = memory_end; /* DAVIDM - this must not include kernel stack at top */ - -#ifdef DEBUG - printk(KERN_DEBUG "Mem_init: start=%lx, end=%lx\n", start_mem, end_mem); -#endif + pr_devel("Mem_init: start=%lx, end=%lx\n", memory_start, memory_end); - end_mem &= PAGE_MASK; - high_memory = (void *) end_mem; - - start_mem = PAGE_ALIGN(start_mem); - max_mapnr = num_physpages = MAP_NR(high_memory); + high_memory = (void *) (memory_end & PAGE_MASK); + max_mapnr = MAP_NR(high_memory); /* this will put all low memory onto the freelists */ - totalram_pages = free_all_bootmem(); + free_all_bootmem(); - codek = (_etext - _stext) >> 10; - datak = (__bss_stop - _sdata) >> 10; - initk = (__init_begin - __init_end) >> 10; - - tmp = nr_free_pages() << PAGE_SHIFT; - printk(KERN_INFO "Memory available: %luk/%luk RAM, %luk/%luk ROM (%dk kernel code, %dk data)\n", - tmp >> 10, - len >> 10, - (rom_length > 0) ? ((rom_length >> 10) - codek) : 0, - rom_length >> 10, - codek, - datak - ); + mem_init_print_info(NULL); } #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - free_reserved_area(start, end, 0, "initrd"); + free_reserved_area((void *)start, (void *)end, -1, "initrd"); } #endif void free_initmem(void) { -#ifdef CONFIG_RAMKERNEL - free_initmem_default(0); -#endif + free_initmem_default(-1); } -