From 27a59706e4df3d1ea7aa1803b1ee0c94f1a4f3cf Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Wed, 3 Jul 2013 15:03:56 -0700 Subject: mm/h8300: prepare for removing num_physpages and simplify mem_init() Prepare for removing num_physpages and simplify mem_init(). Signed-off-by: Jiang Liu Cc: Yoshinori Sato Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/h8300/mm/init.c | 36 ++++++++---------------------------- 1 file changed, 8 insertions(+), 28 deletions(-) (limited to 'arch/h8300') diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c index a506dd4724e0..6c1251e491af 100644 --- a/arch/h8300/mm/init.c +++ b/arch/h8300/mm/init.c @@ -121,40 +121,20 @@ void __init paging_init(void) 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 */ + unsigned long codesize = _etext - _stext; -#ifdef DEBUG - printk(KERN_DEBUG "Mem_init: start=%lx, end=%lx\n", start_mem, end_mem); -#endif - - end_mem &= PAGE_MASK; - high_memory = (void *) end_mem; + pr_devel("Mem_init: start=%lx, end=%lx\n", memory_start, memory_end); - 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 */ 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); + if (rom_length > 0 && rom_length > codesize) + pr_info("Memory available: %luK/%luK ROM\n", + (rom_length - codesize) >> 10, rom_length >> 10); } -- cgit v1.2.2