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mm/SH: prepare for removing num_physpages and simplify mem_init()

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Prepare for removing num_physpages and simplify mem_init().

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiang Liu 2013-07-03 15:04:12 -07:00 committed by Linus Torvalds
parent ad941989d0
commit da61efcfed
1 changed files with 4 additions and 21 deletions
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25
arch/sh/mm/init.c
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@ -407,24 +407,18 @@ unsigned int mem_init_done = 0;
void __init mem_init(void)
{
int codesize, datasize, initsize;
int nid;
pg_data_t *pgdat;
iommu_init();
num_physpages = 0;
high_memory = NULL;
for_each_online_node(nid) {
pg_data_t *pgdat = NODE_DATA(nid);
for_each_online_pgdat(pgdat) {
void *node_high_memory;
num_physpages += pgdat->node_present_pages;
if (pgdat->node_spanned_pages)
free_all_bootmem_node(pgdat);
node_high_memory = (void *)__va((pgdat->node_start_pfn +
pgdat->node_spanned_pages) <<
PAGE_SHIFT);
@ -441,19 +435,8 @@ void __init mem_init(void)
vsyscall_init();
codesize = (unsigned long) &_etext - (unsigned long) &_text;
datasize = (unsigned long) &_edata - (unsigned long) &_etext;
initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, "
"%dk data, %dk init)\n",
nr_free_pages() << (PAGE_SHIFT-10),
num_physpages << (PAGE_SHIFT-10),
codesize >> 10,
datasize >> 10,
initsize >> 10);
printk(KERN_INFO "virtual kernel memory layout:\n"
mem_init_print_info(NULL);
pr_info("virtual kernel memory layout:\n"
" fixmap : 0x%08lx - 0x%08lx (%4ld kB)\n"
#ifdef CONFIG_HIGHMEM
" pkmap : 0x%08lx - 0x%08lx (%4ld kB)\n"