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| author | Jiang Liu <liuj97@gmail.com> | 2013-07-03 15:03:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-03 16:07:36 -0700 |
| commit | 27a59706e4df3d1ea7aa1803b1ee0c94f1a4f3cf (patch) | |
| tree | 3dc3d3a49ffe01e97335b235f0b1b3391d63db1b /arch | |
| parent | 3f2b73c3c3e59cb9b94490d664b2439cd9c540e2 (diff) | |
| download | linux-27a59706e4df3d1ea7aa1803b1ee0c94f1a4f3cf.tar.gz linux-27a59706e4df3d1ea7aa1803b1ee0c94f1a4f3cf.tar.bz2 linux-27a59706e4df3d1ea7aa1803b1ee0c94f1a4f3cf.zip | |
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 <jiang.liu@huawei.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/h8300/mm/init.c | 36 |
1 files changed, 8 insertions, 28 deletions
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); } |