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authorJiang Liu <liuj97@gmail.com>2013-07-03 15:03:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-03 16:07:36 -0700
commit27a59706e4df3d1ea7aa1803b1ee0c94f1a4f3cf (patch)
tree3dc3d3a49ffe01e97335b235f0b1b3391d63db1b /arch/h8300/mm/init.c
parent3f2b73c3c3e59cb9b94490d664b2439cd9c540e2 (diff)
downloadop-kernel-dev-27a59706e4df3d1ea7aa1803b1ee0c94f1a4f3cf.zip
op-kernel-dev-27a59706e4df3d1ea7aa1803b1ee0c94f1a4f3cf.tar.gz
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/h8300/mm/init.c')
-rw-r--r--arch/h8300/mm/init.c36
1 files changed, 8 insertions, 28 deletions
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
index a506dd4..6c1251e 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);
}
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