[PATCH v3, part4 16/39] mm/cris: prepare for removing num_physpages and simplify mem_init()

From: Jiang Liu
Date: Tue Mar 26 2013 - 11:59:43 EST


Prepare for removing num_physpages and simplify mem_init().

Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx>
Cc: Mikael Starvik <starvik@xxxxxxxx>
Cc: Jesper Nilsson <jesper.nilsson@xxxxxxxx>
Cc: linux-cris-kernel@xxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
Hi all,
Sorry for my mistake that my previous patch series has been screwed up.
So I regenerate a third version and also set up a git tree at:
git://github.com/jiangliu/linux.git mem_init
Any help to review and test are welcomed!

Regards!
Gerry
---
arch/cris/mm/init.c | 33 ++-------------------------------
1 file changed, 2 insertions(+), 31 deletions(-)

diff --git a/arch/cris/mm/init.c b/arch/cris/mm/init.c
index 52b8b56..c81af5b 100644
--- a/arch/cris/mm/init.c
+++ b/arch/cris/mm/init.c
@@ -19,9 +19,6 @@ unsigned long empty_zero_page;
void __init
mem_init(void)
{
- int codesize, reservedpages, datasize, initsize;
- unsigned long tmp;
-
BUG_ON(!mem_map);

/* max/min_low_pfn was set by setup.c
@@ -29,35 +26,9 @@ mem_init(void)
*
* high_memory was also set in setup.c
*/
-
- max_mapnr = num_physpages = max_low_pfn - min_low_pfn;
-
- /* this will put all memory onto the freelists */
+ max_mapnr = max_low_pfn - min_low_pfn;
free_all_bootmem();
-
- reservedpages = 0;
- for (tmp = 0; tmp < max_mapnr; tmp++) {
- /*
- * Only count reserved RAM pages
- */
- if (PageReserved(mem_map + tmp))
- reservedpages++;
- }
-
- codesize = (unsigned long) &_etext - (unsigned long) &_stext;
- 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 reserved, %dk data, "
- "%dk init)\n" ,
- nr_free_pages() << (PAGE_SHIFT-10),
- max_mapnr << (PAGE_SHIFT-10),
- codesize >> 10,
- reservedpages << (PAGE_SHIFT-10),
- datasize >> 10,
- initsize >> 10
- );
+ mem_init_print_info(NULL);
}

/* free the pages occupied by initialization code */
--
1.7.9.5

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