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mm/MIPS: 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: Ralf Baechle <ralf@linux-mips.org>
Cc: David Daney <david.daney@cavium.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: John Crispin <blogic@openwrt.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Minchan Kim <minchan@kernel.org>
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 15:04:04 -07:00
committed by Linus Torvalds
parent 6879ea83c6
commit 1132137e87
3 changed files with 21 additions and 59 deletions
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21
arch/mips/sgi-ip27/ip27-memory.c
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@@ -357,8 +357,6 @@ static void __init szmem(void)
int slot;
cnodeid_t node;
num_physpages = 0;
for_each_online_node(node) {
nodebytes = 0;
for (slot = 0; slot < MAX_MEM_SLOTS; slot++) {
@@ -381,7 +379,6 @@ static void __init szmem(void)
slot = MAX_MEM_SLOTS;
continue;
}
num_physpages += slot_psize;
memblock_add_node(PFN_PHYS(slot_getbasepfn(node, slot)),
PFN_PHYS(slot_psize), node);
}
@@ -480,10 +477,9 @@ void __init paging_init(void)
void __init mem_init(void)
{
unsigned long codesize, datasize, initsize, tmp;
unsigned node;
high_memory = (void *) __va(num_physpages << PAGE_SHIFT);
high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
for_each_online_node(node) {
/*
@@ -494,18 +490,5 @@ void __init mem_init(void)
setup_zero_pages(); /* This comes from node 0 */
codesize = (unsigned long) &_etext - (unsigned long) &_text;
datasize = (unsigned long) &_edata - (unsigned long) &_etext;
initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
tmp = nr_free_pages();
printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
"%ldk reserved, %ldk data, %ldk init, %ldk highmem)\n",
tmp << (PAGE_SHIFT-10),
num_physpages << (PAGE_SHIFT-10),
codesize >> 10,
(num_physpages - tmp) << (PAGE_SHIFT-10),
datasize >> 10,
initsize >> 10,
totalhigh_pages << (PAGE_SHIFT-10));
mem_init_print_info(NULL);
}