[RFC PATCH v2, part4 31/39] mm/SH: prepare for removing num_physpages and simplify mem_init()

Jiang Liu
2013-03-24T07:33:58Z

Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: linux-sh@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
arch/sh/mm/init.c | 25 ++++---------------------
1 file changed, 4 insertions(+), 21 deletions(-)

diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index aecd913..3826596 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -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"
--
1.7.9.5