Prepare for removing num_physpages and simplify mem_init().
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx>
Cc: Chris Zankel <chris@xxxxxxxxxx>
Cc: Max Filippov <jcmvbkbc@xxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Cc: linux-xtensa@xxxxxxxxxxxxxxxx
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/xtensa/mm/init.c | 27 ++-------------------------
1 file changed, 2 insertions(+), 25 deletions(-)
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index dc6e009..267428e 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -173,12 +173,8 @@ void __init zones_init(void)
void __init mem_init(void)
{
- unsigned long codesize, reservedpages, datasize, initsize;
- unsigned long highmemsize, tmp, ram;
-
- max_mapnr = num_physpages = max_low_pfn - ARCH_PFN_OFFSET;
+ max_mapnr = max_low_pfn - ARCH_PFN_OFFSET;
high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
- highmemsize = 0;
#ifdef CONFIG_HIGHMEM
#error HIGHGMEM not implemented in init.c
@@ -186,26 +182,7 @@ void __init mem_init(void)
free_all_bootmem();
- reservedpages = ram = 0;
- for (tmp = 0; tmp < max_mapnr; tmp++) {
- ram++;
- if (PageReserved(mem_map+tmp))
- reservedpages++;
- }
-
- codesize = (unsigned long) _etext - (unsigned long) _stext;
- datasize = (unsigned long) _edata - (unsigned long) _sdata;
- initsize = (unsigned long) __init_end - (unsigned long) __init_begin;
-
- printk("Memory: %luk/%luk available (%ldk kernel code, %ldk reserved, "
- "%ldk data, %ldk init %ldk highmem)\n",
- nr_free_pages() << (PAGE_SHIFT-10),
- ram << (PAGE_SHIFT-10),
- codesize >> 10,
- reservedpages << (PAGE_SHIFT-10),
- datasize >> 10,
- initsize >> 10,
- highmemsize >> 10);
+ mem_init_print_info(NULL);
}
#ifdef CONFIG_BLK_DEV_INITRD
--
1.7.9.5
--
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